New York City is mourning an NYPD officer and three other people killed in Monday's shooting inside an office building in Midtown Manhattan. Officer Didarul Islam was in uniform working as a security guard for a private company at the time of the shooting,

A shooting Monday at an office building in New York City that is home to the Blackstone investment firm and the NFL left four people dead, including an NYPD officer.

Tamura had apparently driven across the country from Nevada before killing four people in a shooting rampage in Manhattan.

Tamura worked as a surveillance department employee at the Horseshoe hotel and casino in Las Vegas, a spokesperson for the Horseshoe said on Tuesday. Several squad cars from the Las Vegas Metro Police were seen at the entrances to a gated neighborhood where Tamura was believed to have lived.

The man who killed four people in the New York City skyscraper that is home to NFL headquarters carried a note blaming the league for his mental health problems

Shane Tamura, the reported shooter in the deadly rampage on Monday, July 28 in New York City reportedly left a suicide note reading he had CTE. The rampage ended in the death of four people, including a NYC police officer.