LINDSMORE SAID TO GREENE AS HE walked up to the front door of Greene’s father’s house, “I went to Timmies and bought my own double-double.” Lindsmore was in uniform. A thin briefcase, with Toronto Police Service stencilled on the side, was tucked under one of his thick arms. In his other hand he held a large cup of coffee and a Tim Hortons paper bag. Greene knew the bag would contain at least one doughnut. “My dad won’t mind. No one has drunk his coffee since my mother died. Even his new girlfriends can’t stand it,” Greene said, giving the screen door an extra shove to get it open. “Besides,” Lindsmore said, “it’s Roll Up The Rim.” Roll Up The Rim was a hugely popular contest run by the ubiquitous coffee-and-doughnut-shop chain, in which potential prizes could be found under the rims on their decorated paper cups. “Maybe you won a car,” Greene said. “No, that would be my ex-wife,” Lindsmore said. “With my luck, I’d be happy with a free coffee.” “My father’s still asleep,”