The suspect told negotiators that he acted alone and was unaffiliated with any group.
Gates open at 5:30 p.m. Friday.
The lockdown went into effect Friday morning.
A survey of economists projects 177,000 job gains in June.
Riggs joined Daybreak Friday morning.
Emergency responders were called to the intersection of Main Street and Runnion Avenue at 2:49 a.m.
Around 12:55 a.m. Friday, officials posted a notice on social media.
The driver of a car crashed on South Clinton Street near Wallace Street early Friday morning.
One of them turned the dryer on several times, and the young child sustained multiple bruises all over her body.
He is the first officer killed in the line of duty since the agency formed a police department in 1989.