Investigation Discovery stylized and branded on-air as ID since 2020 is an American corporation pay television network committed to true crime documentaries owned by Warner Bros. Discovery. As of February 2015, about 86 million American households 74% of households with television receive Investigation Discovery.
Most of ID's programs are original productions, but it also airs re-titled off-network reruns, including ABC's 20/20, CBS' 48 Hours, in addition to NBC’s Dateline.
ID's longest-running series is .
On June 7, 2015, ID aired its number one ever scripted mini-series; Serial Thriller: Angel of Decay chronicled a investigation of convicted and later executed serial killer Ted Bundy. Ainstallment, Serial Thriller: the Chameleon, premiered as a two-part miniseries in December 2015, chronicling the crimes that resulted in the execution of American serial killer Stephen Morin. A third installment, Serial Thriller: The Headhunter, about serial killer Edmund Kemper which possibly includes the story of serial killer Herbert Mullin, premiered on February 20, 2016.