INDUSTRY, November 10, 2006 - A security guard was wounded Friday by a bank robber who died after being shot by a deputy with a stun gun during a botched heist at the Bank of the Orient in Industry, a sheriff's deputy said. The suspect died of self-inflicted stab wounds
And the stun gun didn't kill him, by the way. At the end of the article is a little piece:

Paramedics discovered that the suspect had self-inflicted stab wounds, from which hed died.
Link to the rest of the story.