(KRON) -- The Los Altos Police Department released a sketch of the suspect in an assault with a deadly weapon against an 89-year-old man last week. The assault happened on Sept. 16 between the late morning and mid-afternoon near Foothill Expressway and Highway 280. The elderly victim was found unconscious. Victims of San Jose taekwondo coach speak out at sentencing The suspect was described as a white man, 20-40 years old, about 6'0", 180 pounds with a thin to average build. A witness helped describe the suspect and create a sketch. The victim has been released from the hospital and is recovering at home, police said. The police investigation remains open. Anyone with information is asked to call (650) 947-2770.