One year ago: A jury in Sanford, Florida, cleared neighborhood watch volunteer George Zimmerman of all charges in the shooting of Trayvon Martin, the unarmed black teenager whose killing unleashed furious debate over racial profiling, self-defense and equal justice. Tim Lincecum threw the second no-hitter in 11 days as the San Francisco Giants defeated the last-place San Diego Padres 9-0. Actor Cory Monteith, who'd shot to fame in the hit TV series "Glee" but was beset by addiction struggles, was found dead in a hotel room in Vancouver, British Columbia, Canada; he was 31. Attorney Leonard Garment, 89, a friend and adviser to President Richard Nixon, died in New York.