LAKE HAVASU CITY – Four Lake Havasu City residents have been arrested following a multiple-month investigation of suspected drug sale activity at a home in the 1600 block of Avalon Avenue. A search of the residence was conducted Tuesday, February 11. “Detectives along with the assistance of the Lake Havasu City Police Department’s newest K-9 ‘Rocky,’ located a usable amount of methamphetamine, a usable amount of marijuana, and numerous items of drug paraphernalia, in addition to several firearms,” said police spokesman Chris Angus. Angus said 59-year-old Craig Stuart, Lake Havasu, is charged with possession of dangerous drugs, possession of marijuana,…