Federal authorities in Utah have charged 21 white supremacist gang members and associates with distributing drugs and firearms around the state, according to a series of indictments unsealed Friday.The charges follow a 16-month investigation into three “home-grown” hate groups — Soldiers of Aryan Culture, Silent Aryan Warriors and Noble Elect Thugs — which officials described as increasingly organized criminal enterprises.“Unfortunately, this is a Utah product,” U.S. Attorney John Huber said at a news conference. “There are many things to be proud of in Utah, from our snow, beautiful mountains…