Update: Ovalle was found late Monday on the 5500 block of Franconia Road, more than 3 miles from where he was last seen, police said.
A 16-year-old boy with autism is missing in Fairfax County, police say.
Tobias Ovalle was last seen about 12:30 p.m. Monday near the 6300 block of Lachine Lane in the Alexandria area, Fairfax County police said.
He is verbal but may not approach anyone for help. He is about 6-foot, weighs about 220 pounds and wears glasses. He was last seen wearing a black jacket.
Anyone who has seen Ovalle or has other relevant information is asked to call police at 703-691-2131.