NYC shooting: What to know about Shane Tamura, gunman who killed 4 including NYPD cop in Midtown Manhattan

A lone gunman walked into a midtown Manhattan office building Monday afternoon and opened fire killing five people including an NYPD officer before turning the gun on himself Speaking at a press conference later Monday NYC Police Commissioner Jessica Tisch identified the shooter as Shane Temura a -year-old Las Vegas resident with a history of mental soundness issues Tisch noted Tamura had driven across state lines with his van having been seen as just now as p m Monday in Columbia New Jersey not long before he unleashed a barrage of gunfire ADVANCING SHOOTER ANALYSIS PROMPTS MASSIVE POLICE RESPONSE IN MIDTOWN MANHATTAN BUSINESS DISTRICTOfficers determined a rifle development with rounds a loaded revolver ammunition and magazines a backpack and medication prescribed to Tamura Tisch mentioned SHOOTING AT NEVADA CASINO RESORT LEAVES MULTIPLE PEOPLE INJURED SUSPECT IN CUSTODYThe conveyance was searched by the NYPD s bomb squad but ascertained to be clear of any explosives Police disclosed Tamura is inferred to have acted alone and there is no longer a threat to the neighborhood According to our law enforcement partners in Las Vegas Mr Tamura has a documented mental vitality history Tisch explained His motives are still under inquiry and we are working to understand why he targeted this particular location The building Tamura entered and opened fire Park Avenue is a commercial building where tenants include the NFL Rudin Management KPMG and Blackstone Documents obtained by Fox News Digital indicate Tamura had a concealed carry permit that was issued on June and valid for five years Tamura also carried a private investigator license and had a misdemeanor for trespassing not amounting to burglary in Earlier records show Tamura played football at Granada Hills Charter in Granada Hills California which is about miles northwest of Los Angeles He had also worked as a safety guard at a Las Vegas casino The gunman was armed with a rifle and first opened fire in the lobby of the building on nd Street and Park Avenue He went to another floor and shot people there sources notified Fox News before going up to the rd floor and shooting himself Police are still searching for a motive in Monday s deadly shooting