Both suspect Travis Ward and the victim were at the mall with their families for a Halloween trick-or-treating event, according to a police affidavit.

A 22-year-old man has been arrested and identified as a suspect in a deadly shooting that erupted on Halloween night in a mall in Vancouver, Washington.

One person was killed and two injured in a shooting at the Vancouver Mall food court around 7:30 p.m. Thursday, police said, as shoppers described hearing shots ring out and ran for the doors while others sheltered in place.