The Department of Homeland Security on Wednesday issued a terror threat bulletin warning that domestic extremists have posted online praise for the fatal shooting at an LGBTQ nightclub in Colorado earlier this month. "We have observed actors on forums known to post racially or ethnically motivated violent extremist content praising the alleged attacker," DHS cautioned in its latest National Terrorism Advisory System (NTAS) bulletin, reiterating concerns of copycat attacks, following the shooting that killed five people and injured at least 18 more. Researchers from DHS' Office of Intelligence & Analysis exposed similar praise from U.S. actors encouraging violence following a...