Red flags missed: How July 4 suspect slipped through system

Law enforcement search after a mass shooting at the Highland Park Fourth of July parade in downtown Highland Park, Ill., a Chicago suburb on Monday. (AP Photo/Nam Y. Huh)

Residents from around the Highland Park, Ill., area listen during a vigil in Highwood, Ill., for the victims of Monday's Highland Park Fourth of July parade mass shooting, Wednesday, July 6, 2022. (AP Photo/Charles Rex Arbogast)

A body is transported from the scene of a mass shooting during the July 4th holiday weekend Monday July 4, 2022 in Highland Park, Ill. (Armando L. Sanchez/Chicago Tribune via AP)

Illinois’ “red-flag” law could have stopped the suspect in the Independence Day parade shooting from buying a gun or at least delayed the purchase of the weapon he’s accused of using to kill seven people and wound dozens.