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Wichita serial murders (1974–1991) — the full case file
SOLVEDWichita and Park City, Kansas3:14
Dennis Rader, a Wichita-area man who worked as an ADT security installer and later a Park City compliance officer, murdered at least ten people in Wichita and Park City, Kansas, between 1974 and 1991, taunting police and media with letters as "BTK." He was identified through DNA and computer metadata and arrested in February 2005, later pleading guilty to ten counts of first-degree murder.