Article continues below advertisementHow Events Escalated in the Midtown Manhattan ShootingSource: MEGANYC shooting suspect, Shane Tamura, died from a self-inflicted gunshot wound.A 27-year-old gunman wearing a bulletproof vest and carrying a high-powered M4 rifle shot and killed four people near a corporate office building in midtown Manhattan on Monday, July 28.During a press conference following the fatal shooting, officials said the incident occurred before 6:30 p.m.