The Hillside Stranglers: Kenneth Bianchi and Angelo Buono’s Deadly Rampage Through 1970s Los Angeles

In the sun-drenched hills of Glendale, California, hikers stumbled upon a horrifying discovery on October 31, 1977: the nude body of a young woman, posed provocatively with her arms above her head and legs spread apart. This grim find marked the beginning of a nightmare for Los Angeles, as more bodies appeared across the city’s hillsides, each bearing the signs of brutal strangulation and sexual assault. The perpetrators were cousins Kenneth Bianchi and Angelo Buono, known to history as the Hillside Stranglers, whose killing spree terrorized the region for over a year.

Bianchi, the younger and more volatile of the duo, and Buono, his street-smart uncle, targeted vulnerable women—prostitutes, runaways, and dreamers—who vanished from the streets of Hollywood and beyond. Posing as undercover police officers, they lured victims into their car, drove them to Buono’s upholstery shop, tortured them, and dumped their bodies in plain sight, almost taunting authorities. The case exposed the dark underbelly of LA’s glamour, shattering the illusion of safety in the City of Angels.

What drove these men to such calculated savagery? Their crimes weren’t impulsive but methodical, blending manipulation, rage, and a chilling partnership. This article delves into their backgrounds, the escalating horrors they inflicted, the painstaking investigation that brought them down, and the lasting impact on victims’ families and criminology.

Early Lives: Seeds of Dysfunction

Kenneth Bianchi’s Troubled Path

Born on May 22, 1951, in Rochester, New York, Kenneth Alessio Bianchi was adopted at birth by a middle-class couple, Francis and Nicholas Bianchi. Despite a seemingly stable upbringing, Bianchi exhibited early signs of disturbance. As a child, he suffered from severe asthma and faked seizures for attention. By adolescence, he was a habitual liar, stealing from family and peers while projecting an image of intelligence—he even convinced teachers he was gifted, though his IQ tested average.

Bianchi’s adult life unraveled quickly. He dropped out of community college, worked odd jobs, and married briefly, fathering a son. But his charm masked rage; he physically abused his wife and strangled neighborhood pets. In 1975, seeking a fresh start, he moved to California to live with his cousin Angelo Buono, whom he idolized. Bianchi’s fantasies of control and dominance found a willing partner in Buono.

Angelo Buono: The Charismatic Manipulator

Angelo Buono Jr., born October 5, 1934, in Rochester, grew up in a large Italian-American family. Two years older than Bianchi’s adoptive mother, Buono was more like an uncle to his younger cousin. A high school dropout, Buono moved to Los Angeles in the 1950s, where he ran a successful upholstery business on Tamarind Avenue. Charismatic and streetwise, he cultivated a playboy image, fathering 14 children by multiple women.

Beneath the facade, Buono was a misogynist with a history of violence. He pimped out women, beat girlfriends, and evaded child support. Married three times, all ended in divorce amid abuse allegations. Buono’s upholstery shop became a hub for his illicit activities, equipped with soundproofing and restraints. When Bianchi arrived, Buono saw him as a malleable accomplice, grooming him into a killer.

The Murders Unfold: A Pattern of Horror

The stranglings began in October 1977. The duo’s first victim was Yolanda Washington, a 19-year-old prostitute and mother. On October 17, they posed as detectives, handcuffed her, and took her to Buono’s shop. There, they raped, tortured with an electric cord, and strangled her. Her body was dumped near a cemetery in Los Feliz, marking the start of their signature hillside disposals.

Emboldened, they struck again on November 13 with Judith Ann Miller, 15, a runaway. Posing as police once more, they repeated the ritual: abduction, assault, strangulation, and posing. Her body appeared in Eagle Rock. Days later, on November 20, Elissa Kastin, 21, a part-time waitress, vanished while walking to work. Found weeks later on a hillside, she had been beaten severely before death.

The pace quickened. On November 23, Dolores Cepeda, 12, and Sonja Johnson, 14, Black girls walking home from a store, were lured with a fake police story. Tortured for hours, their bodies were dumped together in Alvarado Ravine, arms draped over each other in a macabre tableau.

The Peak of Terror: Holiday Season Carnage

Thanksgiving brought no respite. On November 28, Kristina Weckler, 20, an art student from the Netherlands, was abducted from her apartment. Forced to beg for her life, she was injected with cleaning fluid and strangled. Her body, found on December 14 atop a hill in Glendale, showed ligature marks and blue lips from gas poisoning attempts.

Jane King, 28, vanished December 9; her body surfaced January 3 near the L.A. Zoo. On December 11, Lauren Wagner, 18, a USC student, was taken from her Burbank home despite her screams. Raped and strangled, she was dumped December 21 with a dog collar around her neck.

The final LA victims were Michelle Carson, 17, and Gini Anton, 18, prostitutes abducted December 13. Their bodies appeared January 9, 1978, side by side on a hillside. By then, Bianchi had moved to Bellingham, Washington, for a job, but Buono continued briefly before the partnership dissolved.

Investigation: From Panic to Breakthrough

LAPD formed the Hillside Strangler Task Force in November 1977, led by Detectives Frank Salerno and Gil Villalobos. Over 60 detectives canvassed hillsides, interviewed sex workers, and chased false leads, including a firefighter suspect. Autopsies revealed consistent methods: manual strangulation, sexual assault, posing, and little blood loss, suggesting post-mortem dumping.

Fibers from Buono’s shop matched victims’ clothing, but the break came in January 1979. Bianchi, now in Washington, abducted and killed two students, Karen Mandic and Diane Wilder, using the same ruse. Ballistics and witness descriptions led to his arrest. Under interrogation, Bianchi faked multiple personalities—a ploy later debunked—but confessed after polygraphs and evidence mounted.

Extradited to California, Bianchi implicated Buono. Raids on Buono’s shop yielded cords, handcuffs, and fibers linking to all 10 LA victims. Witnesses, including Buono’s girlfriends, corroborated the cousins’ boasts. Salerno’s persistence cracked the case wide open.

Trials: Justice and Infamy

Bianchi pleaded guilty to five murders in Washington and the LA killings, receiving life sentences. In exchange, he testified against Buono in a marathon 1981-1983 trial—the longest in California history at the time. Prosecutors presented 350 witnesses, including Bianchi, whose graphic testimony detailed tortures like gas injections and wire whippings.

Buono’s defense painted him as a family man, but evidence overwhelmed. Convicted of nine murders (one charge dropped), he received life without parole. Incarcerated at Folsom State Prison, Buono died of a heart attack on September 21, 2002, at age 67. Bianchi remains at Walla Walla State Prison, repeatedly denied parole.

Psychological Underpinnings: Monsters Among Us

Psychiatrists diagnosed both as psychopaths with antisocial personality disorder. Bianchi scored high on psychopathy checklists, showing superficial charm, grandiosity, and lack of remorse. His multiple personality claim was theatrical manipulation. Buono embodied sadistic dominance, deriving pleasure from control and degradation.

Their partnership amplified depravity—Buono as the dominant sadist, Bianchi the eager apprentice. Criminologists note how family ties enabled trust, allowing escalation from pimping to murder. The case influenced serial killer profiling, highlighting team dynamics like those in the Manson Family or Lake and Ng.

Legacy: Remembering the Victims

The Hillside Stranglers claimed 12 lives, shattering families and communities. Victims like Kristina Weckler, whose parents endured taunting media, and Lauren Wagner, whose mother founded a victim advocacy group, left indelible marks. Memorials honor them: a plaque in Glendale for the unidentified at the time (later identified as King), and annual remembrances by survivors.

The case inspired books like “The Hillside Strangler” by Darcy O’Brien (Pulitzer finalist) and the film “The Hillside Strangler.” It prompted LAPD reforms in task forces and victim services. Today, it serves as a stark reminder of predatory evil lurking in everyday settings.

Conclusion

Kenneth Bianchi and Angelo Buono’s crimes exposed the fragility of urban safety, their hillside dumps a brazen challenge to justice. Through Salerno’s dogged pursuit and Bianchi’s betrayal, accountability prevailed, though no sentence erases the loss. The victims’ stories endure, urging vigilance and compassion for the vulnerable. In remembering them, we honor resilience amid unimaginable horror.

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