Corporal Justin Rogers of the Pinole Police Department was on vacation and had just taken off his shoes to go through security on March 30 when he spotted the assault.
Security footage released Thursday shows a woman hit a female Transportation Security Administration officer and put her in a headlock. Rogers jumped over a small wall and threw her to the ground.
Pinole police Cmdr. Pete Janke told the Contra Costa Times that Rogers identified himself and was given a pair of handcuffs to put on the suspect. He made his flight back home.
The suspect's identity or what prompted her to attack the agent was not immediately known.