Suspected gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan skyscraper lobby with a military-style assault rifle, police say

Dramatic photos shared online show the blood-stained assault rifle gunman Shane Tamura used to open fire inside a Midtown Manhattan skyscraper , killing an officer and four others.

Shane Tamura, a 27-year-old private investigator from Las Vegas, has been identified as the gunman behind Monday's Midtown Manhattan shooting.

Suspected gunman Shane Tamura had a ‘documented mental health history’ and ‘sprayed’ the Manhattan skyscraper lobby with a military-style assault rifle, police say

Police say Shane Tamura killed NYPD officer Didarul Islam and critically injured an NFL employee after ‘spraying’ the lobby of a Park Avenue skyscraper with bullets from an…