#DallasPDShooting

According to the FBI, Johnson was armed with an SKS semiautomatic rifle and wore ballistic body armor with plates. The SKS is a Soviet-designed military rifle first introduced in 1945.

Co-founder Alicia Garza recently stressed on MSNBC that BLM has never called for the murder for police officers, only for them to be "accountable, transparent and responsible."

In March 2009, Johnson joined an Army Reserve unit in Seagoville, Texas, and served four and a half years. He was sent to Afghanistan in 2013 and served eight months with the 420th Engineer Brigade.

James Boulware, 50, is believed to be dead by sniper fire after opening fire on Dallas police headquarters from an armored vehicle early Saturday morning,…