The Lynx protest also comes days after NBA star Carmelo Anthony urged more athletes to cement their role in the fight for justice.

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."