What to know about the San Diego Islamic Center shooting suspects

Three men, one of whom was a security guard, were killed in a shooting at the Islamic Center of San Diego on Monday, authorities said.

​Three men, one of whom was a security guard, were killed in a shooting at the Islamic Center of San Diego on Monday, authorities said.  US Three men, one of whom was a security guard, were killed in a shooting at the Islamic Center of San Diego on Monday, authorities said.