David Nicholas Dempsey biography: 13 things about US Capitol rioter from Los Angeles, California

David Nicholas Dempsey is an American man from Van Nuys, Los Angeles, California, United States. The city is around 2,669 miles away from Washington, D.C., USA.

Dempsey attended Coutin School in Los Angeles and worked as a construction worker. He is 6’1″ tall and his registered weight is 185 pounds.

Who is David Nicholas Dempsey?

On November 3, 2020, Joe Biden won the U.S. presidential election, defeating Donald Trump. On January 6, 2021, Trump’s supporters breached the U.S. Capitol building in Washington, D.C., USA while a joint session of the U.S. Congress was certifying the vote of the Electoral College and affirming Biden’s victory.

Dempsey joined the U.S. Capitol riot. Here are 13 more things about him:

1. In 2006, he was convicted of burglary. Between 2006 and 2017, he was convicted of second-degree burglary, conspiracy to commit commercial burglary and fleeing a pursuing peace officer’s motor vehicle while driving recklessly.
2. He was accused of committing burglary on October 12, 2009. In November 2009, he was convicted and was sentenced to 16 months in state prison and a mandatory probation period.
3. In 2012, he was accused of possessing or using a stolen credit card and charged with conspiracy to commit a crime and larceny in Burbank.
4. In June 2019, he hit a counter-protester over the head with a skateboard during a political rally in Los Angeles.
5. Wearing a Make America Great Again hat, he was caught on camera of using bear spray on a group of protesters at a rally on the Santa Monica Pier in Santa Monica, California on October 19, 2019, which was organized by Refuse Fascism, a group opposed to Trump and Mike Pence. He was arrested by the Santa Monica Police Department and charged with use of tear gas and unlawful tear gas activity. On October 22, 2019, he pleaded not guilty to the charges. 
6. In August 2020, he wrestled a male protester to the ground in Beverly Hills, California and pepper sprayed him at close range before repeatedly hitting him in the head with a metal bat.
7. On November 21, 2020, he was in Sacramento, California. On December 12, 2020, he attended the March on Washington event in Washington, D.C., USA.
8. On January 6, 2021, he entered the U.S. Capitol building wearing a black shirt, dark helmet, goggles and an American flag gaiter covering most of his face.
9. On May 17, 2021, he entered the Los Angeles Airport Courthouse in Del Aire, California to attend a scheduled hearing. 
10. On August 25, 2021, U.S. Magistrate Judge G. Michael Harvey signed a criminal complaint filed by a Federal Bureau of Investigation special agent against him.
11. On August 26, 2021, he was arrested. He was charged with use of a dangerous weapon, obstruction of an official proceeding and civil disorder in addition to assaulting, resisting or impeding certain officers.
12. In January 2024, he turned 37 and pleaded guilty to two felony counts of assaulting police with a dangerous or deadly weapon for assaults on DC Police officers Phuson Nguyen and Jason Mastony.
13. On August 9, 2024, U.S. District Judge Royce C. Lamberth sentenced him to 20 years in prison.

If you have information about someone who participated in the U.S. Capitol riot on January 6, 2021, call 1-800-CALL-FBI or submit relevant photos and videos to the FBI.