Newly-released dashcam footage shows the harrowing moment a January 9 mudslide in Montecito, California, overtook a California Highway Patrol car, sending it sliding out of control.Twenty-one people were killed after torrential rains triggered violent mudslides throughout the wildfire ravaged city of Montecito.This footage was released to Storyful on January 26. Credit: California Highway Patrol via Storyful