Raymond Stanley Blackburn was 20 when he disappeared on June 15, 1973. He had recently traveled from Louisiana to Texas for construction work and was married with a newborn child he hoped to return to.

Blackburn’s disappearance was one of the victims in the series now called the Houston Mass Murders. That spree, carried out by Corll with the assistance of teenage accomplices David Owen Brooks and Elmer Wayne Henley, involved the abduction, torture and murder of at least 28 young men and boys between 1970 and 1973. The killings came to light after Henley shot Corll on August 8, 1973, then led police to the gravesites.

Did anyone who knew Raymond in Houston or Pasadena in 1973 see him the week before June 15 or hear about his plans to hitchhike home?