Italian mafia homicides have fallen by almost half in recent years, underscoring the gangsters' ongoing shift into what look like legitimate business sectors, researchers said on Tuesday. Anna Alvazzi del Frate, research director of the Geneva-based Small Arms Survey think-tank, told reporters that mafia killings in Italy dropped by 43 percent between 2007 and 2010, and that the trend was continuing. "We think that this may be related to the increasing involvement of... (GunPolicy.org)