Police officers across the U.S. are on high alert after Baltimore police received what they say is a "credible threat" targeting all law enforcement officers. In a statement, Baltimore Police said they received information that members of different gangs, including the Bloods, Crips, and Black Guerrilla Family, have "entered into a partnership" to "take out" police, and "law enforcement agencies should take appropriate precautions to ensure the safety of their officers." Spokesman Capt.