Winnipeg Free Press Last Modified: 11:29 AM CST Friday, Mar. 5, 2021 | Updates John Woods / The Canadian Press FILE Provincial court Judge Murray Thompson found Jerry Kipling guilty of aggravated assault in an unprovoked attack with a hammer on a 15-year-old boy last spring. A judge has found a Winnipeg man guilty of aggravated assault in an unprovoked attack with a hammer on a 15-year-old boy last spring. A judge has found a Winnipeg man guilty of aggravated assault in an unprovoked attack with a hammer on a 15-year-old boy last spring. Provincial court Judge Murray Thompson said the evidence of Jerry Kipling’s own family members and other corroborating evidence left him with no doubt Kipling was the man captured on restaurant security video striking the boy with a hammer, embedding it in his skull.