The video above aired in a previous newscast. NEW YORK (PIX11) — A gunman who killed four people in a Park Avenue building Monday had over 800 rounds of live ammunition in the BMW he drove from Las Vegas to New York City,

A vigil will also be held Friday night for NYPD Officer Didarul Islam so the community can come together in mourning. CBS News New York's Christina Fan reports.

Police Officer Didarul Islam, a father of two with a baby on the way, was one of the four people killed by Shane Tamura inside 345 Park Ave. on Monday.