3. Bölüm

Jay Levine

Self - Ret. News Anchor & Chief Correspondent

David Hachmeister

Self - Ret. Des Plaines Police Officer

Rafael Tovar

Self - Ret. Des Plaines Police Detective

Lawrence Finder

Self - Fmr. Prosecutor, Cook County, IL

Michael Albrecht

Self - Ret. Des Plaines Police Officer

Karen Kuzma

Self - John Gacy's Sister

William Kunkle

Self - Fmr. Chief Prosecutor, Cook County, IL

Patti Szyc-Rich

Self - John Szyc's Sister

Jim Szyc

Self - John Szyc's Brother

Eugenia Godzik

Self - Gregory Godzik's Sister

Ron Wilder

Self - Jeffrey Rignall's Partner