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Dallas shooting: Man killed in shootout at federal courthouse was recent college grad

Alexandria Rodriguez
Corpus Christi

CORPUS CHRISTI, Texas - A 22-year-old man suspected of opening fire on a federal courthouse in Dallas before he was killed in a shootout with federal officers was a Del Mar College student, public records show. 

Weeks before the Army veteran was killed in the shootout, he thanked the Veterans Affairs Department for funding his college education. 

Brian Isaack Clyde talked about the feelings of uncertainty he had about his future after being discharged from the Army in 2017, as he accepted an outstanding student award for his studies at Del Mar College. Clyde graduated in May 2019 with an associate in applied science degree in nondestructive testing technology. 

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Investigators are trying to figure out why Clyde on Monday put on a mask and opened fire outside the Earle Cabell Federal Building, where more than 300 federal employees were working, said U.S. Attorney Erin Nealy Cox during a news conference in Dallas.

Clyde is suspected of opening fire on the building about 8:40 a.m., according to The Associated Press.

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A federal employee sustained minor injuries "as she was taking cover from the shooter," Cox said. "Those injuries have been addressed."

No other injuries were reported, officials said.  

Law enforcement responded and Clyde was fatally shot during an exchange of gunfire with federal officers, the Associated Press reported. 

Brian Isaack Clyde's Del Mar College identification photo.

Cox said an officer with the Federal Protective Service shot the shooter. 

"We recovered the firearm used in the attack and we are working with the ATF to trace it and conduct investigation on how he obtained it," said Matthew DeSarno, FBI special agent in charge. 

A bomb squad examined a vehicle believed to be associated with the suspected shooter as a precaution, the AP reported. 

Public records show Clyde attended Del Mar College in Corpus Christi. Records show his last known address was in Corpus Christi. 

Public records from a driver’s license show Clyde lived at an apartment in the 2000 block of Airline Road in Corpus Christi. It’s unclear how long he lived at the apartments.

A manager at the complex told the Caller-Times Monday that there are no longer any residents by that name residing there. She forwarded further questions to their corporate office.

Del Mar College officials told the Caller-Times they are aware of Clyde's history with the school. .  

"Clyde was recognized as an Outstanding Academic Student at the Annual Recognition Ceremony held by the College in April 2019," the college said in an email.

A Facebook page appearing to belong to Clyde shows a photo of gun magazines posted June 15. There appear to be 10 magazines in the photo. 

Clyde details in the post there are two "40 rounds and (eight) 30 rounders total," the post reads. 

He posted video of himself shooting an AR-15 within the past four months.

Photos of him at the Dallas shooting scene show him wielding what also appears to be an AR-15.

A Sunday post shows a photo of a knife with the caption "A modern gladius to defend the modern Republic."

His last post was Sunday at 1:47 p.m.

A screenshot shows a post on what appears to be Brian Clyde's Facebook page. The post goes into detail about how many magazines Clyde has.

A Facebook video on the page shows what appears to be Clyde speaking at a Del Mar College podium. 

"Military has always been big in my family. So has education," Clyde says in the video. "When I got out, I really didn't have any other options. So i figured, got to school."

A Department of Defense document states Clyde was on active duty for the U.S. Army from August 2015 to February 2017. Officials with the Army said Clyde was a Private 1st Class and served as an infantryman.

The FBI is working with the Department of Defense to gather Clyde's records, DeSarno said.

The Department of Defense document doesn't state the status of his discharge. 

Photos on Clyde's Facebook page, which was taken down Monday afternoon, show him in an Army uniform.

A screenshot shows Brian Clyde in a U.S. Army uniform in a February 3, 2017 Facebook post.

It's unknown if Clyde moved to the Dallas area, but a Facebook post suggests he was away from the Corpus Christi area in early June.

"Fort Worth is nice and all but I miss the humidity in Corpus Christi," the June 9 post reads.

The FBI's Evidence Reponse Team will process the crime scene for about two to three days.   

More than 200 FBI agents and law enforcement officials are "aggressively pursuing every lead" involving the investigation, DeSarno said. Law enforcement are actively seeking Clyde's relatives and associates to find a motive for the attack on the courthouse. 

Anyone with information about the shooter, a motive or the attack should contact the FBI by calling 1-800-225-5324 or submit tips on line to www.tips.fbi.gov.

Follow Alexandria Rodriguez on Twitter: @Caller_AR

Contributing: Kirsten Crow, Eleanor Dearman and David Silva Ramirez, Corpus Christi (Texas) Caller-Times

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