“Craig Robertson, come out with your hands up! This is the FBI.” That’s what residents of a quaint, suburban neighborhood pushed up against Provo Canyon near the BYU campus say they woke up to in the early morning hours Wednesday. “It sounded like it was coming from inside my house,” said one neighbor, who asked not to be identified. What followed was a barrage of gunshots. Moments later, authorities carried the overweight, elderly man out of his house, placed him on the sidewalk and tried, unsuccessfully, to render first aid, according to the witness. Several neighbors said his body remained...