Ricky Dale Krater was 37 when he was found mortally wounded in an alley behind 812 East 6th Street in Tulsa on the night of January 8, 1996. Friends discovered him about 10:53 p.m.; responding officers recorded that he had suffered multiple gunshot wounds and that his death was immediate. Krater had lived in Tulsa since his 1958 birth and served in the United States Army from 1979 to 1983 before returning home.

Early work at the scene produced no obvious witnesses, suspect, or clear motive, and despite investigation the case cooled. No one has ever been arrested or charged, and the homicide remains listed on Tulsa County cold case compilations. Anyone who may recall events around East 6th Street that night is asked to contact the Tulsa Police Department Cold Case Unit.