Burns, William John (1861-1932), a United States detective. He was head of the Federal Bureau of Investigation from 1921 to 1924. Burns was born in Baltimore. He entered the Secret Service in 1889. In the next 20 years he took part in many important cases prosecuted by the United States. Burns and his son Raymond founded the William J. Burns National Detective Agency in 1909.
What makes a person not only murder, but murder multiple people over days, weeks and even years? There's a special name for these types of murderers: serial killers.
Few incidents shaped the U.S. civil rights movement more than the brutal death of Emmett Till. What other murders have sent shock waves through the public psyche?