Search continues for Dallas dementia patient who wandered from home

Dallas police are asking citizens to help them search for a 70-year-old dementia patient who wandered away last week.
Police have been searching for Roy Cook since last Thursday. Surveillance video shows cook leaving his southeast Dallas home without shoes around 3 a.m.
Police and volunteers will meet at Lincoln Memorial Cemetery at 8 a.m. Thursday, not far from where Cook disappeared.
Cook is about 5’11” and weighs 125 pounds. He was last seen wearing a t-shirt and pajama pants.