A Los Angeles man accused of attacking federal agents during riots in Paramount, California last month has been arrested at the U.S.-Mexico border, the FBI announced Wednesday.
Elpidio Reyna, 39, was taken into custody at the San Ysidro Port of Entry after fleeing to Mexico following the June 7 incident.
CAPTURED: Elpidio Reyna — wanted by the FBI since June 7 for allegedly assaulting a federal officer and throwing rocks at law enforcement vehicles conducting immigration operations in Paramount California.
He was arrested today at the U.S.-Mexico border and will face justice.… pic.twitter.com/pbWpkXjyGT
— FBI Director Kash Patel (@FBIDirectorKash) July 23, 2025
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He had been wanted by federal authorities since that date for allegedly throwing large concrete blocks at passing federal vehicles on Alondra Boulevard during civil unrest in the area.
According to the FBI, Reyna was identified through surveillance footage that captured him hurling multiple heavy objects toward federal personnel as their vehicles attempted to navigate through a crowd.
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One federal agent sustained injuries when a boulder shattered the windshield of their vehicle, nearly causing it to veer off the road.
The footage was obtained by Fox News correspondent Bill Melugin and circulated widely following the event.
“When agents attempted to arrest Reyna, he was not located and agents developed information confirming that he fled to Mexico,” the FBI said in a statement.
The agency confirmed that images and identifying information were distributed to Mexican authorities.
Reyna was detained in the Mexican state of Sinaloa before being transferred back to the United States following discussions between U.S. and Mexican officials.
“You may remember Elpidio Reyna, a subject who allegedly threw rocks at federal officers during immigration operations in California June 7. We got him. He was arrested today at the U.S.-Mexico border,” Deputy FBI Director Dan Bongino stated.
“Well done FBI Los Angeles and U.S. Customs and Border Protection. More to come. Those who attack America’s police officers can run but they can’t hide.”
UPDATE:
You may remember Elpidio Reyna, a subject who allegedly threw rocks at federal officers during immigration operations in California June 7.
We got him.
He was arrested today at the U.S.-Mexico border.
Well done @FBILosAngeles @CBP and all federal partners.
More to… pic.twitter.com/zt0BP4Mkgb
— Dan Bongino (@FBIDDBongino) July 23, 2025
Reyna, a resident of Compton, has been transported back to the Los Angeles area.
He appeared in court Wednesday afternoon to face charges related to the attack.
Details on the specific charges filed have not yet been released by the Department of Justice.
ARRESTED: Elpidio Reyna surrendered today at the U.S.-Mexico border to face a felony charge of assault on a federal officer for throwing rocks at passing law enforcement vehicles in Paramount on June 7.
He was taken into custody by a U.S. Border Patrol officer who was inside… pic.twitter.com/9ExZPnEAPT
— U.S. Attorney Bill Essayli (@USAttyEssayli) July 23, 2025
Reyna’s arrest is the latest development in a broader federal effort to investigate and prosecute individuals involved in violent acts during recent civil unrest in Southern California.
Last month, Bill Essayli, U.S. Attorney for the Central District of California, announced that federal charges were being brought against individuals suspected of participating in or supporting violent activities during the June 9 riots.
One such case involved Alejandro Theodoro Orellana, who was arrested by FBI agents on June 12.
Orellana was identified as the driver of a black pickup truck seen distributing heavy-duty face shields to demonstrators on the night of the riots.
Local news footage captured the incident, and Orellana was later charged with Conspiracy to Commit Civil Disorders under 18 U.S.C. § 371.
“We are moving quickly to identify and arrest those involved in organizing and/or supporting civil disorder in Los Angeles,” Essayli posted on X following the arrest.
Federal law enforcement agencies have continued to coordinate closely in response to the violence, with a focus on identifying suspects responsible for attacks on personnel, distribution of riot gear, and acts of vandalism.
Officials have indicated that additional arrests and charges are expected as investigations into the incidents from early June continue.