St. Louis police and fire departments are preparing for the July 4 parade. They're ramping up just days after a protest broke out at the Grand Pride Parade.
The Transportation Security Administration expects to screen more than 28 million people nationally between Friday, June 28 through and Monday, July 8.
Hargrove was charged with first-degree murder, unlawful use of a weapon and two counts of armed criminal action. His mother identified him to police as the shooter.