After the June 7 shootings in Santa Monica, many are asking how gunman John Zawahri obtained the weapon. The internet is one of the top places where people can buy guns legally and illegally. Experts say a lot of the guns sold on the internet illegally cross state lines. Joel Grover reports for the NBC4 News at 6 p.m. on June 11, 2013.
Mourners leave cards with handwritten messages on the Santa Monica College campu...View gallery
Five victims were killed when a gunman opened fire Friday on and around the camp...View gallery