March 1980. Torrential rain hammers down on Ambato, a city deep in Ecuador’s Andes mountains. Rivers overflow their banks, mudslides tear through neighborhoods, and entire streets vanish beneath rushing brown water. Rescue crews wade through the devastation, searching for survivors among the wreckage of collapsed homes.
Then they find something that turns a natural disaster into a nightmare.
On the banks of a swollen river, searchers uncover the body of a young girl. At first, they assume she drowned in the flood. But her body tells a different story—she’d been strangled with such brutal force that her eyes had bulged from their sockets. Then another body appears. And another. Four young girls, all between 8 and 12 years old, all sexually assaulted and murdered in the same way.
For the locals, this horrific discovery confirms what they’ve suspected for months. Dozens of young girls have been disappearing across Ecuador’s mountainous regions. Parents have been pleading with police to investigate, only to be dismissed and told their daughters probably just ran away. But the parents knew better. They’d searched desperately, plastered posters on walls, offered rewards, and placed ads in newspapers. None of the missing children were ever found—until the flood unearthed their shallow graves.
Within days of discovering the four bodies, the killer strikes again. But this time, everything goes wrong for him.
The Capture That Should Never Have Happened
On March 9th, a man selling trinkets at Ambato’s busy market approaches 11-year-old Marie. He takes her hand, trying to convince her to leave with him. But her mother, Carlina Ramon Povveda, sees what’s happening and screams for help. The man tries to flee, but several vendors chase him down and tackle him to the ground, holding him until police arrive.
His name is Pedro Alonso Lopez.
When officers first arrest Pedro, he seems like an unlikely suspect for the organized predator they’re hunting. He’s babbling incoherently, acting like a deranged madman. They have no idea they’ve just captured one of the most prolific serial killers in human history—a man who would eventually confess to murdering more than 300 young girls across three countries.
What makes Pedro’s story truly terrifying isn’t just the staggering body count. It’s that despite overwhelming evidence and his own detailed confessions, he would serve only 14 years in prison. By 1998, he walked out of a psychiatric facility in Colombia and disappeared completely. To this day, nobody knows where he is, whether he’s alive or dead, or if he continued killing after his release.
A Childhood Forged in Violence and Abuse
Pedro Alonso Lopez was born on October 8th, 1948, in the Colombian town of Venado, the seventh of 13 children in a family drowning in poverty. His father had been killed six months before his birth during La Violencia, a brutal civil war between liberal and conservative factions that left hundreds of thousands dead and created one of the highest crime rates anywhere in the world.
His mother, Benilda Lopez de Castaneda, turned to sex work to feed her many children. The family lived in a one-room shack separated only by a thin curtain. Every night, young Pedro lay on one side of that curtain listening to his mother with her clients on the other side. Neighbors later remembered Benilda as a woman with a vicious temper who beat her children with a broom handle, often singling out Pedro for the worst abuse.
By age nine, everything fell apart. Pedro was caught inappropriately touching one of his younger sisters. His mother’s punishment was swift and merciless—she heated a candle and pressed it against his bare feet, burning his flesh. Then she kicked him out of the house permanently. From that moment on, he lived on the streets.
In 1950s Bogotá, thousands of abandoned children roamed, sleeping under bridges and scavenging through trash heaps for food. Pedro became one of them. At one point, an older man offered him food and shelter. Desperate and starving, Pedro went with him—only to be led to an abandoned building where he was repeatedly sexually assaulted before being thrown back onto the streets. This wasn’t an isolated incident. Pedro was attacked and abused many more times, as were countless other vulnerable street children.
With each traumatic event, Pedro grew colder and more detached. He smoked bazuco, a crude cocaine paste that was cheap, highly addictive, and caused severe mood swings and paranoia. He joined gangs of street children described as “feral,” fighting for territory and robbing houses to survive.
At age 10, an American family took pity on him and adopted him, giving him clothes, a bed, food, and education. For the first time, Pedro experienced something resembling stability. But it didn’t last. According to some accounts, a teacher at his school abused him. Others claim he ran away with that teacher voluntarily. Either way, by age 12, Pedro stole money and returned to the only life he knew—the streets.
Prison: Where a Killer Discovered His “Destiny”
For six years, Pedro survived through begging and petty theft. As he grew older, he turned to stealing cars, developing a reputation as a skilled thief. But by age 21, his luck ran out. In 1969, he was arrested and sentenced to seven years in prison.
Colombian prisons in the late 1960s were chaotic hellholes where guards were few, corruption was rampant, and inmates effectively ran the show. They weren’t places of rehabilitation—they were breeding grounds for violence. New arrivals like Pedro were easy targets, and three older men began repeatedly assaulting him almost immediately.
But Pedro was no longer the helpless child who’d been thrown onto the streets. He bided his time. After a couple of months, he struck back. The three men who tormented him were found dead, their throats cut with a crude weapon fashioned from prison materials. Instead of facing murder charges, authorities quietly added just two years to his sentence, dismissing the killings as self-defense.
Within the prison walls, Pedro gained a reputation. Other inmates who might have seen him as easy prey now kept their distance. For the first time in his life, he discovered that murder could shift the balance of power. Later, Pedro would admit this was the moment he realized something terrifying about himself. As he put it: “When I killed those men in prison, I knew this was my destiny.”
That revelation would shape everything that followed. When he walked out of prison in 1978 after serving nine years, he didn’t seek a new life or return to petty crime. He set his sights on something much darker.
The Killing Spree Begins: Peru and the Indigenous Victims
Instead of returning to Bogotá to rebuild his life, Pedro drifted south after his release, crossing the high Andes into rural Peru. That’s where his killing spree truly began. In later interviews, he would frame his murders as twisted revenge against his mother for the abuse he suffered as a child. “I lost my innocence at 8 years old, so I decided to do the same to as many young girls as I could,” he said.
Pedro carefully selected his victims—girls between 8 and 12 years old, roughly the same age he’d been when his childhood collapsed. He targeted street children who wouldn’t be missed and indigenous children whose disappearances police were more likely to ignore. He drifted from town to town, focusing on areas where strangers were common, and records were practically nonexistent.
Markets became his hunting ground. He’d approach children in broad daylight, offering them something small—a mirror, a trinket, something cheap but tempting. Or he’d ask for directions, trying to convince them to leave with him. If they hesitated, he’d wait, sometimes shadowing a mother and daughter for days until the right moment presented itself. Then he’d lead the girl away to somewhere isolated where he’d already prepared a shallow grave.
He followed the same ritual every time. He’d assault his victim and wait until sunrise before strangling them to death. In his own chilling words: “It was only good if I could see her eyes. I never killed anyone at night. It would have been wasted in the dark. I had to watch them by daylight. It took them between 5 and 15 minutes to die. Sometimes I had to kill them all over again. They never screamed because they didn’t expect anything would happen. They were innocent.”
Sometimes he’d slit their throats or wrists after killing them just to make sure they were dead. He later admitted that he’d sometimes return to continue assaulting their bodies.
Disappearances mounted in Peru, particularly around indigenous communities in the Ayacucho region. Families reported their daughters missing, but most cases were dismissed as runaways or blamed on trafficking rings. Pedro later boasted he’d killed well over 100 girls in Peru alone. While that number can’t be fully verified, the pattern of missing girls during his time in the area is undeniable. Dozens vanished without a trace—no sightings, no ransom notes, no bodies ever found.
Even though authorities ignored the disappearances, tribes and villages throughout the region began whispering about a predator lurking in the mountains, hunting their children. They called him the Monster of the Andes.
His mobility was his shield. When one community grew nervous, he simply moved on—across a valley, over a ridge, to a new market where nobody had heard the warnings yet.
The Escape That Should Have Ended Everything
The villagers’ suspicions were confirmed when Pedro was caught trying to abduct a 9-year-old girl in Ayacucho. Members of the local community pursued him through rugged terrain until he was cornered. Believing him responsible for hundreds of missing indigenous girls, they decided to dish out their own justice.
The villagers stripped him, beat him, and buried him up to his neck in the earth. Then they poured honey over his face and neck, intending to leave him for the ants to slowly consume him alive. For a moment, it seemed Pedro’s reign of terror was about to end right there in the Andean dirt.
But fate intervened. An American missionary passing through the region pleaded with the villagers to spare him, persuading them to hand him over to Peruvian authorities instead. The villagers reluctantly agreed.
Here’s where the system failed catastrophically. When Pedro was handed over to the police, they had no evidence he was a serial killer—just the accusations of indigenous villagers who were routinely dismissed and ignored. The police didn’t arrest him. They didn’t charge him. They didn’t even investigate. Instead, they quietly deported him back to Colombia and washed their hands of the situation.
They’d just released a serial killer to continue his murder spree—an opportunity he immediately seized.
300 Victims Across Three Countries
The same methods followed Pedro into Colombia, then Ecuador. He drifted from market town to market town, watching, waiting, killing. At the peak of his crimes, he admitted to murdering two or three children every single week. He even described holding twisted “parties” with their bodies, propping them up in shallow graves together, and speaking to them as if they were still alive. Many victims were later found clustered in graves of several bodies, exactly as he claimed.
Authorities believe he killed around 100 girls in Colombia and another 100 in Ecuador, bringing his total well over 300.
By late 1979 into early 1980, the numbers in central Ecuador climbed in a way ordinary people could feel. In and around Ambato, parents started counting missing daughters by the dozens. Girls sent on routine errands never returned. Missing child posters appeared on every shop front. Families organized their own searches along ravines and fence lines.
Police continued dismissing the cases. Class and ethnicity undoubtedly played a role—almost all of Pedro’s victims were indigenous, homeless, or from poor households. Their cases didn’t trigger the urgency that might have been seen with wealthy families.
By early 1980, parents in Ambato escorted their daughters in pairs. Vendors kept children within arm’s reach. Rumors spread that something worse than trafficking was happening. Then in February, Ivanova Jakome, daughter of a wealthy and respected baker, was abducted and killed. Because her family was prominent, authorities finally reacted. Posters went up, national papers took notice, and the country watched.
Then came the March floods that unearthed four bodies, followed days later by the discovery of Ivanova’s body in a farm building. She’d been assaulted and strangled in a way perfectly mirroring the flood victims. The very next day, Pedro attempted to abduct Marie at the market—and was finally caught.
The Confession That Shocked Investigators
When police brought Pedro in, they were initially unsure what they were dealing with. He’d been ranting when arrested, leading them to suspect mental illness. But at the station, he went silent, refusing to answer any questions. All they knew was that bodies had been found, dozens of girls were missing, and Pedro had been caught trying to abduct a child matching the victims’ profile.
Without a confession, they had no evidence beyond the attempted abduction. So investigators came up with a risky plan. They discovered Pedro claimed to be a devout Catholic, so they placed an undercover officer in his cell posing as a priest who’d been arrested for preying on children. Captain Pastor Gonzalez stayed in the cell for days, slowly gaining Pedro’s trust.
Finally, Pedro began talking. Believing his words could never be repeated by a priest bound by confession, Pedro revealed he’d killed more than 300 girls across Ecuador, Colombia, and Peru. He described his methods in chilling detail—how he lured children from marketplaces in daylight, assaulted them, and strangled them with his bare hands at sunrise. He talked about the shallow graves and the bizarre, unspeakable things he did when returning to “tend” to the bodies like a gardener caring for a flower bed. He even said he liked Ecuadorian girls best because they were more trusting and easier to lure.
Captain Gonzalez was so terrified that he spent every night sleeping with a towel subtly wrapped around his neck, convinced Pedro would realize he wasn’t a priest and strangle him in the dark.
When Gonzalez finally left the cell, he was visibly shaken, telling colleagues that Pedro was beyond comprehension—not just another criminal, but a monster on a scale they could never have imagined.
Leading Police to 53 Bodies
The claims were so overwhelming that investigators didn’t initially believe them. But when confronted with the fact that his cellmate had been a police officer all along, Pedro doubled down. He told them if they doubted him, he’d prove it by leading them to his grave sites.
Over the next six weeks, shackled in leg irons, Pedro guided officers to various locations in remote areas surrounding Ambato and other provinces across the Andes. One by one, he pointed out shallow graves. One by one, they began uncovering the remains of young girls.
To keep him cooperating, officers feigned camaraderie, offering luxuries like tobacco and beer—a charade that became increasingly difficult as body after body was discovered. Pedro appeared to enjoy the experience. At one point, he lifted a victim’s skull and tried to pose with it like a trophy, asking police to photograph him with it. They refused.
He often had to be disguised in a police uniform due to intense public reaction. Villagers formed mobs demanding that he be handed over to them. At various locations, crowds had to be held back by police intent on lynching him. Newspapers covered every detail in front-page stories about the Monster of the Andes. All the while, Pedro treated it like some kind of twisted victory lap.
By the time they finished, Ecuadorian police had uncovered remains of 53 young girls, many buried together in the same shallow graves. Pedro also led them to around 30 other grave sites where no bodies were found—likely destroyed by scavenging animals or the recent floods.
The search stopped not because Pedro ran out of graves, but because he stopped cooperating. As Major Victor Lascano, governor of Ambato prison, put it: “In the beginning, he cooperated with us and took us each day to three or four hidden corpses. But then he tired, changed his mind, and stopped helping. If someone confesses to 53, you find and hundreds more you don’t, you tend to believe what he says. I think his estimate of 300 is very low.”
Just 16 Years for 110 Murders
Between the discovered bodies and Pedro’s confessions, he was officially linked to 110 murders in Ecuador alone. In July 1981, he pled guilty before a courtroom crowded with reporters and victims’ families.
He was sentenced to the maximum penalty possible: 16 years.
Just 16 years. That’s what the man guilty of 110 murders received. A man believed to have murdered over 300 children—16 years behind bars. The public was outraged. To the victims’ families, the verdict felt like an insult. But that was the maximum sentence Ecuadorian law allowed, whether someone killed one person or a hundred.
Pedro spent most of his sentence in solitary confinement at Garcia Moreno prison in Quito, protected from a $25,000 bounty relatives had placed on his head. He rarely spoke to guards or other prisoners, spending his days in near-total isolation. He returned to smoking bazuco and did not indicate remorse.
Psychiatrists who assessed him described severe antisocial personality disorder and a complete lack of empathy. He was, in their professional opinion, a textbook psychopath.
In 1992, Pedro gave his only interview to journalist Ron Lanier. But first, he made a disturbing request—he told the warden he hadn’t touched a woman in nearly 12 years and would only grant the interview if he could touch the warden’s daughter’s hands. Reluctantly, the warden agreed. With armed guards pointing guns at him, the young woman extended her hands. Pedro held them, running his fingers across her wrists. He later told Lanier that at 26, she was far too old to actually interest him.
During the interview, Pedro casually discussed his crimes in shocking detail, bragging he was “the man of the century” and would soon be free. He referred to his victims as “my dolls” and insisted he was sparing them from misery. He didn’t hide his intentions: “The moment of death is enthralling and exciting. Someday, when I am released, I will feel that moment again. I will be happy to kill again. It is my mission.”
Despite these statements, on August 31st, 1994, Pedro was released from prison—two years early for good behavior. He hadn’t even served his full 16-year sentence.
Released Twice, Vanished Forever
Pedro’s release triggered outrage across Ecuador. To prevent him from being hunted down by mobs, he was immediately deported to Colombia. Colombian authorities had long wanted to prosecute him for the 100-plus murders he allegedly committed there. Unlike Ecuador, a Colombian conviction would likely mean imprisonment for life.
After taking him into custody, Colombian prosecutors reopened their files, quickly linking him to the deaths of several girls in Tolima during the late 1970s. But then the case took another bizarre turn.
In 1995, rather than facing trial, Pedro was declared legally insane by a Colombian court and transferred to a psychiatric hospital in Bogotá. To grieving families, it felt like yet another betrayal. For three years, Pedro remained in that hospital.
Then, in 1998, a second evaluation reversed the earlier ruling. Doctors declared him sane. And with that, he was released back into the public.
The conditions of his freedom were laughable: Pedro was asked to pay about $50 in bail and ordered to check in with authorities once a month. That was the safeguard meant to protect the public from a man who’d confessed to killing over 300 children.
Pedro posted his bail and, at 50 years old, walked free for the second time. He never kept his appointments, never reported to the police, and never submitted to monitoring. By the time officials realized he was gone, Pedro had slipped back into the shadows and vanished.
Where Is He Now?
After hearing about Pedro’s release, Major Victor Lascano gave a stark warning: “God save the children. He is unreformed and totally remorseless. This whole nightmare may start again.”
Many felt the same way. Pedro never showed signs of change or regret—quite the opposite. He openly boasted he’d continue killing once released.
When Pedro left the hospital, he immediately visited his mother, a woman he hadn’t seen in decades. When she found him at her door, she assumed he’d come to kill her. Instead, he demanded she kneel so he could bless her. When she refused, he begrudgingly dropped to one knee himself. Their brief reunion ended with cruelty—Pedro stripped her home of her only possessions, a bed and armchair, dragged them outside, and threatened to burn them unless someone bought them. A neighbor handed over cash. Pedro pocketed the money and walked away.
The final confirmed sighting occurred on September 22nd, 1999, when Pedro appeared at a Bogotá government office to renew his national ID card, which he was somehow able to do without triggering any alert. The exchange was logged in official records.
Then Pedro Lopez was never seen again.
Rumors of sightings spread across Colombia, Ecuador, and Peru. Citizens phoned radio stations whenever someone resembling him appeared in their towns. Officers in border regions carried his photo in their wallets. Ecuador’s Minister of Prisons admitted bluntly: “Yes, it does sound strange, but that is our law.”
By 2002, fears reignited when Colombian authorities asked Interpol to issue an international warrant after two new child murders in Tolima bore disturbing similarities to his methods. But the warrant yielded nothing. Three years later, the Interpol notice was quietly deactivated.
Some claimed Pedro had been spotted wandering through small towns as a beggar. Others insisted he’d been quietly executed by vigilantes or police. A persistent rumor held he was living in Tolima, the region where he was born, his identity known only to locals too afraid to speak.
In 2012, another case shocked Colombia—the murder of a 12-year-old girl in Tunja, found strangled. Though police never tied Pedro directly to it, the brutality felt familiar. It was exactly the kind of killing the Monster of the Andes had confessed to hundreds of times.
Even his mother insisted he was alive, telling reporters, “I know he hasn’t died. Other relatives of mine appeared to me in the form of a presence after they died, but he didn’t. I know he’s still out there somewhere.”
The Shadow That Still Haunts the Andes
Criminologists have long argued that Pedro would never have stopped killing if he were still alive. Serial offenders driven by compulsion rarely do. As one investigator put it: “The only way he stopped is if he was stopped by death.”
For a while, Guinness World Records listed Pedro as the most prolific serial killer of all time with over 300 victims. In 2006, they removed the category after criticism that it turned murder into a competition. But the record books didn’t need to name him—his legacy was already cemented.
Perhaps the most chilling part of Pedro’s story is that it has no ending. The list of people who wanted him dead numbered in the thousands—villagers who’d lived in fear, families of victims, police who felt the justice system had failed, anyone who believed the murderer of 300+ children didn’t deserve freedom.
If Pedro is still alive, he’d be in his 70s now. It seems hard to believe a killer with such intense bloodlust could have survived decades unnoticed. If he’d lived even a few years after his release and continued killing, there should be an endless string of missing girls and bodies.
But then again, Pedro’s crimes were dismissed for so long because the places he hunted were drowning in violence—civil wars, traffickers, cartels, warlords. In such chaos, a monster like Pedro could vanish into the noise, his murders hidden among countless others that would never be solved.
So if Pedro survived and continued killing, the nightmare possibility is this: his true body count could stretch into the thousands.
Whether he’s dead or alive, the shadow of Pedro Lopez still haunts the Andes. If he’s gone, the mountains kept the secret of his death. And if he’s not, those same mountains are still keeping the secrets of his victims.
The tragedy isn’t only the staggering number of children he murdered—it’s the systemic failures that allowed him to disappear. Ecuador’s weak sentencing laws, Colombia’s psychiatric loopholes, and the repeated dismissal of indigenous and poor victims all played a part. Three countries failed their most vulnerable. The Monster of the Andes was able to slip into the shadows both before his arrest and after it.
What aspect of this case haunts you most? Share your thoughts in the comments below.
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