Callahan Walsh

John Edward Walsh, Jr. is an American television presenter, victims' rights activist, and the host/creator of America's Most Wanted. He is known for his anti-crime activism, with which he became involved following the murder of his son, Adam, in 1981; in 2008, deceased serial killer Ottis Toole was officially named as Adam's killer. Walsh was part-owner of the now defunct National Museum of Crime and Punishment in Washington, D.C. He also anchored an investigative documentary series, The Hunt with John Walsh, which debuted on CNN in 2014.