Police prevent potential mass shooting at Stanley Cup final.
Las Vegas police arrested Matthew DeSavio, 33, for threatening a mass shooting at the Stanley Cup Final and posting threatening messages on Facebook. DeSavio had stalked the person who called the police for about a decade. He faces charges of stalking, making a false threat regarding an act of terrorism, aggravated stalking, and violating a temporary protection order. DeSavio had previously threatened a similar mass shooting in October 2022. He was adjudicated for prior stalking and harassment cases. A judge did not set bail and rescheduled his court appearance for June 20.