The Unsolved Murder of Jason MacCullough (1999) - Dartmouth, NS (Interview with Vanessa Clark) Aug 22, 2020. On Saturday, August 28, 1999, 19-year-old Jason MacCullough was shot in the back of the head while walking home in Dartmouth, Nova Scotia. His murder is considered to be a completely random act of violence. Read More →. Aug 22, 2020.