The attorney for a Montana man charged in the death of a 17-year-old German exchange student says the teen and a companion had broken into homeowners’ garages three of four times before the shooting. Paul Ryan represents Markus Kaarma, who is charged with deliberate homicide in the April 27 slaying of Diren Dede in Missoula. […] Ryan says the Ecuadorian student told police the boys started “garage hopping” after learning about the practice from other students at their high school. …