DeCesare's mother, Evie O'Rourke, told multiple local outlets, including WCVB, CBS Boston and NBC Boston, that her son was shielding his family from gunfire when he was killed.

A gunman opened fire in a New Hampshire country club on Saturday as a wedding was taking place, killing one person and wounding two others, authorities said.

Attorney General John Formella and Nashua Police Chief Kevin Rourke said the person who died at the Sky Meadow Country Club in Nashua was an adult male.