Investigation Discovery (ID) is a popular American television network that focuses on true crime programming. Launched in 2008, it features a variety of shows that explore real-life criminal cases, investigations, and the psychology behind crime. The network aims to provide viewers with an in-depth look at the criminal justice system and the stories of those affected by crime. ID offers a mix of documentaries, series, and specials, often highlighting cases of murder, missing persons, and unsolved mysteries. The channel appeals to audiences interested in crime stories and the complexities of human behavior, making it a go-to destination for true crime enthusiasts.