New York City police officers lined city streets to honor their colleague who was killed when a gunman entered a Midtown Manhattan office building and opened fire earlier this week.Officer Islam was one of four people killed inside the building on Monday evening.

Sources said shooter Shane Tamura can be seen on video turning toward Hyman when he heard her step out from the bathroom that houses the secured panic room.

The glittering skyscraper where hundreds work became the scene of New York City’s deadliest gun attack in 25 years when a man entered the lobby and started shooting.