September 18, 2013 7:04 am Gunman's Mentor Speaks out Medlinda Downs, friend of Aaron Alexis expressed her disbelief, “It’s like Dr. Jekyll and Mr. Hyde. Who was this guy? The guy I knew was so honorable.” US & World Videos 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:36 O.J. Simpson's cause of death revealed 2:03 Does Shakira still believe in love following Gerard Piqué split?