They say 21-year-old Paige Alexander was killed when she crashed into a tree on Shepherd and Chestnut just after 10:30 p.m. Monday.
A growing memorial sits at the crash site where loved ones came to remember her.
Family members didn't want to speak on camera, but say the Clovis Community College student was a writer and artist who volunteered weekly feeding the homeless.
Officers plan to look at surveillance video from nearby businesses for clues about the cause of the crash.