Firearm Safety: 2 yr old shoots mother with unsecured pistol from her purse

A 2 yr old child found his mother's unsecured handgun in her purse and while playing with it, fired it, killing her while they were shopping.

http://www.oregonlive.com/pacific-northwest-news/index.ssf/2014/12/2-year-old_idaho_boy_reaches_i.html#comments