WHITEFIELD,N.H.- An investigation is underway following a shooting that’s left one man dead and 3 others seriously injuried. On Tuesday police responded to a call of a vehicle driving erratically and striking another and happended upon 3 people, all of who had been shot. Following an autopsy authorities say Eric Blake Jr. died from a self-inflicted gunshot wound to the head and his death has been ruled a suicide. All three are now listed in critical condition. As for a motive behind the shooting, police say they’re now trying to piece those details together.