The Prince George's County Police Department says it received a missing persons report for the Maryland mall gunman about 2 1/2 hours after the shooting.
Police said Sunday they received a missing persons report for Darion Marcus Aguilar at about 1:40 p.m. Saturday. Howard County Police say Aguilar went into the Mall in Columbia about 11:15 a.m. Saturday, armed with a shotgun and homemade explosives. He fatally shot two store employees before killing himself.
A Prince George's officer went to Aguilar's home in College Park to speak with his mother at about 5 p.m. Saturday and saw Aguilar's journal. The portion the officer read made him concerned for Aguilar's safety.
The investigator began tracking Aguilar's phone and soon discovered it was pinging at the Mall in Columbia.