A father used a ghost gun to kill his three daughters. It's a sign of a growing crisis

Homemade firearms continue to proliferate despite California lawmakers' efforts to ban them A California man who shot and killed his three daughters, a chaperone who was supervising a visit with the girls and then himself last month was armed with a ghost gun, law enforcement officials revealed. David Mora Rojas was visiting his daughters Samarah Mora Gutierrez, nine, Samantha Mora Gutierrez, 10, and Samia Mora Gutierrez, 13, at a Sacramento church on 28 February when he opened fire. Nathaniel K...