Peacock's new crime series Devil in Disguise: John Wayne Gacy is a dramatization of the true story and crimes of its subject. An Illinois-based serial killer operating in the 1970s, Gacy really did ...

John Wayne Gacy's modest and unassuming ranch-style house had horrors hidden underneath it. Neighbors in Norwood Park Township, Ill., knew Gacy as a successful contractor who dressed as "Pogo the ...

For more than three decades, Sherry Marino had her doubts the remains authorities found in Gacy's crawlspace were really from her son. Michael Marino, 14, disappeared in October of 1976. Two years ...