A man who has spent decades in prison for a high-profile triple murder in Watertown, MN, will stay in prison. That decision coming from Minnesota Gov. Tim Walz in his role on the state's Board of Pardons. Back in 1995, Adrian Riley was convicted of killing Troy Tholkes, Jimmy Walters, and Treesa Woods in a Carver County farmhouse. Prosecutors say Riley was dealing drugs to the three victims and shot them execution-style.