She had blonde highlights in her hair at the time of her disappearance. She has a half-inch scar on her chin, and pierced ears.
Gray shorts, a white tank top, and gray sneakers. She may have been carrying a black backpack.
Alissa was last seen at Paradise Valley High School in Phoenix, Arizona, on the last day of school. She was taken out of school early by her stepfather, who says he left her home alone around 1:00 p.m. He claims that he returned around 5:00 p.m. and found a note from Alissa saying that she had run away to California. She has never been seen again.
Phoenix Police Department: 1-602-262-6141
National Center for Missing & Exploited Children: 1-800-843-5678