1.   In one unhinged moment, Sonny kills his rival.

2.   Law, in fact, liked to gamble, dated lots of women, and killed a rival in a duel.

3.   Ramon had apparently traveled to Mazatlan to personally kill a rival.

4.   Several mobsters, including Di Maggio, managed to kill rivals and commit other crimes while under the program.

5.   Some gangs, he said, are inciting unwitting crowds to kill rivals who wander onto their turf.

6.   A judge sentenced an Indonesian student to five years in prison on Wednesday for killing a rival who had competed for the affections of his girlfriend.

7.   Afghans have in the past accused local leaders of misleading U.S. troops so they would kill their rivals.

8.   Corrupt officials and gangsters work with these criminalized businesses, helping them get insider deals, avoid taxes and even kill rivals.

9.   Gunman kills rival in Belfast feud.

10.   Kaplan has served two-thirds of a four-year German jail term for incitement to kill a rival.