A screen grab shows the Twitter page of Bryce Williams, whose real name is Vester Lee Flanagan II, who police say fatally shot WDBJ-TV cameraman Adam Ward and reporter Alison Parker during a live broadcast early Wednesday. After the attack, Flanagan reportedly sent a fax to ABC News. AP hide caption

itoggle caption AP

Reporter Alison Parker and photojournalist Adam Ward were killed by a gunman Wednesday morning while broadcasting live in Moneta, Va. WDBJ7 paid tribute to the two journalists by sharing this image on Twitter. WDBJ7 via Twitter hide caption

itoggle caption WDBJ7 via Twitter

Alek Skarlatos (left) will receive the Soldiers Medal. He's seen here with his friends Spencer Stone and Anthony Sadler, as well as U.S. Ambassador Jane Hartley, on Monday. Aurelien Meunier/Getty Images hide caption

itoggle caption Aurelien Meunier/Getty Images