Three people are behind bars after Palm Desert police targeted repeat DUI drivers Saturday night.
Hector Ignacio Laurias, 24 of Palm Desert, was arrested when police witnessed a single vehicle traffic collision.
Laurias was arrested for driving under the influence of alcohol and fleeing the scene.
While investigating that crash, another arrest was made when 23-year-old Emmanuel Avalos of Palm Desert walked onto the crime scene.
He was arrested for possession of a switch-blade knife and public intoxication.
A third arrest was made a separate surveillance site. Police say 30-year-old Ricki Foley of Palm Desert is a known DUI offender and had a suspended driver's license.
She is currently on probation for DUI and had an active warrant for her arrest.