In August 1917, Frank Little was the victim of a grisly murder in Butte. Little was a labor organizer who came to Butte to unify and radicalize Butte’s miners in their fight against the Anaconda Mining Company for higher wages and safer working conditions. Most historians believe that the Anaconda Company was behind Little’s killing, but no one knows for sure. A note pinned to his underwear threatened, "Others take notice: first and last warning," along with the numbers 3-7-77, the calling card of frontier vigilantes.