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Featured Image Credit: Netflix
Three-part documentary series, comes from the same team behind the previous docu-series Conversations with a Killer: The Ted Bundy Tapes.
The series makes use of unearthed footage between Gacy and his defence team. Alongside interviews with key participants, including an emotional testimony from a survivor.
Watch the series trailer here:
The series aims to delve further into Gacy's psyche search for explanations as to why he committed his crimes, and how he managed to get away with so many before being caught.
Between 1972 and 1978, Gacy raped and murdered 33 men. This number could potentially be even higher as even fifty years on, investigators still believe there could have been more victims.
A local contractor, and 'clown-for-hire' Gacy became known as 'The Killer Clown' following his arrest.
His job as a local contractor meant that he was able to hire lots of young men - many of the men he hired would later be reported missing by concerned relatives.
However, it wasn't until he was arrested for two sexual assaults that police began investigation Gacy in relation to these disappearances.
Once police did begin investigating him it wasn't long until they discovered a number of bodies buried underneath his house in Cook County, Illinois, and a number of other bodies were recovered from the nearby Des Plaines River.
His arrest for this murders wasn't the first time Gacy had been behind bars; in Iowa in 1968 he had been arrested for the sexual assault of a teenage boy and was sentenced to ten years' imprisonment, but he only served 18 months.
He was arrested once again for sexual assault while on parole in 1970 but these charges were later dropped.
John Wayne Gacy was arrested on December 21, 1978, in 1980 he was convicted of murdering at least 33 people and sentenced to death; he was executed by lethal injection and died in 1994.
Conversations with a Killer: The John Wayne Gacy Tapes can be streamed now on Netflix.