", Carter, who had been a Texas Ranger less than a year, believed in being straightforward. evidence linked the rail-riding killer to the case. They said he knew he was breaking the law when he committed the murders. with a telephone cord and shot in the back of the head with Her body was discovered on a San Antonio farm in March 1986. stabs were so forceful, they broke several of Benton's ribs He is suspected in as many as 30 murders, all of which occurred near railroad tracks, earning him the moniker Railroad Killer.