What is the name of the famous bank robber who was the leader of the James-Younger-Gang and was killed by one of his own gang members?

Explanation

The lawless gang leader and bank robber Jesse Woodson James (1847-1882) is the most notorious member of the James-Younger-Gang and especially after his death he became a legendary figure. He and his brother, Frank, were guerrilla soldiers for the CS Army during the American Civil War. After the war they committed several bank robberies that often ended in killing the employers or by standers. Jesse was killed by one of his own gang members Robert Ford because he was hoping for a reward.