The last of the Park Avenue mass shooter’s final victims was in temporary safety in a panic room, only to be killed when she stepped outside of it during a lull in the gunfire, police sources and authorities said.

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.

Midtown mass shooting victim Julia Hyman had made it into a fortified panic room at 345 Park Ave. when gunman Shane Tamura started blasting apart her office, but stepped out for a moment and was “immediately” gunned down,