Police say 20-year-old Carlos Anthony Hollins posted the threat on Twitter. According to the La Plata Police Department, the tweet read, “IM NOT GONNA STAND FOR THIS NO. MORE. TONIGHT WE PURGE! KILL ALL THE WHITE PPL IN THE TOWN OF LA PLATA.” The tweet also included the hashtag #blacklivesmatter.
Hollins was arrested at his home in neighboring Waldorf, Md., about 25 miles south of Washington, D.C., and charged with threats of mass violence.