...The 22-year-old suffered very minor injuries when her airbag deployed. But she called 911 and that's when things got worse.

Dash camera video shows Perez handcuff the woman and slam her into a wall.

"As a chief felony prosecutor, a county judge, a state district judge, I've never seen anything like it. It's horrific," said Attorney Randy Isenberg. "Clearly excessive brutal force, he snapped. He lost his temper and he hurt her really bad."