Gregory McMichael, 64, and Travis McMichael, 34, are also facing charges of aggravated assault in connection to the shooting of 25-year-old Ahmaud Arbery.

A swelling outcry over the shooting of Ahmaud Arbery intensified after a cellphone video that lawyers for his family say shows the killing surfaced online Tuesday.

Ahmaud Arbery, 25, was killed Feb. 23 in a neighbourhood outside city of Brunswick, Georgia. No one has been arrested or charged in the case. Arbery was black and the men who chased him are white.