New Jersey Police Department released a surveillance video showing how a man made its way into a mall firing shots before killing himself last week.

20-year-old- Richard Shoop of Teaneck, entered The Garden State Plaza in Paramus on Nov. 4, firing several shots from a modified gun wearing a black motorcycle helmet, black clothing and a backpack.

In the video, shoppers can be seen running and hiding as the man walks slowly holding the gun which he modified to look like a AK47 rifle assault.

Shoop fired several shots during his walk inside the mall after he turned the gun on himself. No one else was wounded.

Watch the video here.