A retired NYPD detective shot his two grown sons before fatally injuring himself. This happened during a party in their Long Island home, authorities said. Irvin Noak, 61, was arguing with some family members at his home in Bellport when his two sons tried to break it up. Noak then grabbed a firing tool from his room

and came back and shot his sons Irvin Noak III, 30, and Aaron Noak, 22. He then decided to turn the instrument on himself. The paramedics rushed all three men to the hospital . The sons were listed in critical condition but the former detective could not be saved, authorities said. Watch Video Below