Col. David W. Maxwell holds a press conference at the Marine Corps Museum in Quantico, Va., on Friday, March 22, 2013 regarding a murder/suicide that occurred on Thursday night that res

 

              Col. David W. Maxwell holds a press conference at the Marine Corps Museum in Quantico, Va., on Friday, March 22, 2013 regarding a murder/suicide that occurred on Thursday night that res
Col. David W. Maxwell holds a press conference at the Marine Corps Museum in Quantico, Va., on Friday, March 22, 2013 regarding a murder/suicide that occurred on Thursday night that resulted in the deaths of three Marines. A Marine killed a male and female colleague in a shooting at a base in northern Virginia before killing himself, officials said early Friday. (AP Photo/The Free Lance-Star, Peter Cihelka)