A 16-year-old was flown to a hospital with serious injuries.
Some White House staffers remained unconvinced by Pence's denials about writing the op-ed.
Perez purchased the gun involved legally, police said.
One man was arrested Tuesday afternoon after an apparent explosive device detonated outside the embassy compound.
Rivera, 24, was charged with first-degree murder after leading police to Tibbetts's body.
Mollie Tibbetts, 20, was found dead in a cornfield on Tuesday after she was missing for more than a month.
"Leveille has been unlawfully present in the U.S. for more than 20 years after overstaying the validity of her non-immigrant visitor visa," ICE said in a statement.
"A great guy to have as a colleague. We are still in shock and incredibly sad."
The trooper killed was identified as 24-year-old Tyler Edenhofer, a Navy veteran and officer in training.
Police searched surveillance cameras for footage of the fleeing suspect.
The police officer was a married father of three young children.
The spreading fire was still zero percent contained.
"He's beelining. He's got his head down. He's on a mission, you know. He's on a mission."
Dimitrios Pagourtzis was arrested May 18 and charged with capital murder of multiple persons, according to the Galveston County Sheriff's Office.
According to the Doral Police Department, there are no known victims at this point.
Miami Police Chief Jorge Colina said video of the incident "depicts a clear violation of policy."
The shooting took place Tuesday evening at a Home Depot in northeast Dallas.