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1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsThere are two productions with nearly interchangeable names: the 2021 six-part documentary John Wayne Gacy: Devil in Disguise and the 2025 scripted series Devil in Disguise: John Wayne Gacy. The latter is a dramatization inspired by the documentary, not the documentary itself. The points below are context worth carrying into either viewing—but available reporting does not establish that the 2021 series definitively omits them.
First, which Devil in Disguise is this about?
NBC News Studios describes the 2021 production as a six-part docuseries distributed by Peacock. It presents the case through Gacy’s words, people affected by his crimes, and those who believe important facts remain concealed. The 2025 production is a separate scripted dramatization inspired by that documentary. WBEZ also describes it as a scripted spin-off.
That distinction matters: reporting about choices made in the drama cannot prove what the documentary includes or leaves out. The following four points are best read as context that can sharpen a viewer’s understanding, not as a verified episode-by-episode list of omissions.
1. Five victims remain unidentified—and identification work continues
The Cook County Sheriff’s Office says five of Gacy’s victims remain unidentified and that it has obtained DNA profiles suitable for comparison for all five. The office is seeking information that could help match the profiles to relatives or records. This is an active identification effort, not simply an unresolved footnote to a closed historical case. The sheriff’s current identification page explains that some victims may never have been reported missing, some had become estranged from family, and missing-person reports filed in other jurisdictions may not have reached Cook County.
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The official case history records a total of 33 victims. That figure should not be confused with the number found in one place: the sheriff’s chronology says 29 were buried on Gacy’s property, with the others discovered elsewhere. The same history dates Gacy’s arrest to December 22, 1978, following a missing-juvenile investigation by Des Plaines police. The agency’s chronology describes the subsequent searches and discoveries.
2. The victims had lives beyond the circumstances of their deaths
A case told mainly through a killer’s crimes can make victims seem like a sequence of disappearances and discoveries. They were people with relationships and histories of their own. In WBEZ’s reporting on the 2025 dramatization, creator and executive producer Patrick Macmanus said, “We wanted to ensure we were telling their life stories, not their murder stories.” WBEZ reports that the scripted series used episodes named for victims, brief flashbacks, and contact with next of kin. Those are details about the drama’s approach; they do not establish what the 2021 documentary did or did not include. WBEZ’s account of the series provides that distinction.
3. Missing young men could be dismissed through prejudice and stereotypes
Questions about the investigation also involve how missing people were perceived and treated. In the same WBEZ report, Macmanus said the creators viewed societal prejudice toward the LGBTQ community as part of the case’s continuing relevance. Actor Michael Chernus described how missing young men could be stereotyped as runaways or disregarded because of class, drug use, or perceived sexuality. He put the principle plainly: “If someone goes missing, it’s worth pursuing why they are missing.”
These are the interviewees’ interpretations of the case’s social context, not proof that one bias alone explains investigative failures. Keeping that qualification in view makes it possible to consider prejudice and unequal attention without reducing a complicated investigation to a single cause.
4. Gacy’s recorded account is evidence of what he said—not an independent account of events
The 2021 docuseries includes a 1992 prison interview with Gacy conducted by former FBI profiler Robert Ressler, according to TIME’s reporting. Gacy’s words can reveal how he presented himself, what he claimed, and how he tried to shape the story. They should not automatically be treated as neutral narration or as proof that events happened as he described them.
For viewers comparing the productions, this is another important distinction: TIME reports that the 2025 drama draws heavily on the documentary, but dramatic scenes and a subject’s own statements are not substitutes for corroborated case facts. TV Insider’s discussion of the drama also references survivor Jeffrey Rignall’s memoir, 29 Below; that memoir may offer a first-person perspective, but it does not establish that the documentary omitted a particular encounter.
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How to watch with the distinction in mind
- Check the title and format: the 2021 work is the six-part docuseries; the 2025 work is scripted drama.
- When a claim comes from Gacy, treat it as his account unless independent corroboration is identified.
- Keep the victims’ identities and lives in view, including the five people who remain unidentified according to the Cook County Sheriff’s Office.
- Separate documented case chronology from interviewees’ interpretations of why people were overlooked.
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