A reporter and cameraman for Dallas NBC affiliate WBAP-TV, Welch covered the attempted shooting of Maj. Gen. Edwin Walker. On November 22, 1963, Welch was at Dallas Love Field, the Trade Mart, and Parkland Memorial Hospital, where he captured the only known sound recording of the announcement of President Kennedy’s death. In 1964, he covered the Jack Ruby trial. Later, as an NBC News photographer, he covered the Civil Rights Movement and spent six months in Vietnam. Recorded September 28, 1994, November 19, 1998, February 5 and May 2, 2014, and April 18, 2015.