Police Taser and the shoot knife wielding man

 “Two officers found the man, and he charged them, prompting one of the officers to shock him with a Taser, officials said. The device (Taser) did not stop the man's advance…”

http://www.policeone.com/edged-weapons/articles/6893734-Calif-campus-police-fatally-shoot-knife-wielding-man/