On a summer day in 1995, an unknown man called the KPRC 2 newsroom to report there was a killer on the loose. He would share where to find one of the victims, and law enforcement would soon discover the victim was 16-year-old Dana Sanchez. It would be years before anyone knew that the man who made that call was Anthony Allen Shore.

HOUSTON – By definition, serial murder involves a single offender who kills at least two victims in separate events at different times, according to the FBI. Serial murders are very rare. The confessed serial killer was ultimately executed for the December 16, 1998, robbery, rape, and murder of Houston doctor Claudia Benton. The killings were dubbed the Houston Mass Murders, and at the time, they were considered the worst serial murders in U.S. history. There’s a serial killer on the loose.’”Robertson thought the call was a sick joke.