The wife of an FBI agent who was killed in a crash involving an illegal immigrant last year called the mere $280 fine ordered to be paid by the Guatemalan national a "slap in the face" to her family.

Roberto Garza Palacios was not required to appear in court regarding the December 2017 crash that killed Carlos Wolff, 36, and Maryland fire marshal Sander Cohen, 33.

Wolff's wife, Marla, said on "Fox & Friends First" that the light penalty shows that the justice system has failed her and her family.

"I would tell the judge that this sentence was just a slap on the wrist to Palacios and it was a slap in the face to our families," she said.

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Cohen had stopped to help Wolff after he crashed his car on Interstate 270. Marla Wolff said that her husband was standing on the shoulder when Palacios crashed into them.

Palacios claimed that he did not see both men on the shoulder.

"No brakes were applied, [officials] found no skid marks [from Palacios'] brakes, and in addition it was found that his car brakes were faulty," Wolff said Tuesday.

According to FOX5 DC, Palacios had overstayed a work visa that expired in 2009, and was arrested by immigration officers for being in the U.S. unlawfully.

He also pleaded guilty to DWI in 2015, according to The Washington Post and spent four months in jail after being arrested for vandalizing car windows.

Wolff said that officials didn't test Palacios for drugs or alcohol at the scene of the crash.

"His license should have been revoked," she said.

Watch the emotional interview above.

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