Coral Watts is the subject of true crime series “Unknown Serial Killers of America." The series explores murderers unknown to ...

Carl Watts, once largely unknown to the American public, is now recognized as one of the most prolific serial killers in U.S. history.

Carl Watts, the "Sunday Morning Slasher," is ranked among the most active serial killers in American history. From 1974 to 1982, Watts killed many women, officially confessed to 13 murders, and was ...