Police search for missing 54-year-old man with dementia in northwest Houston Tags: Dwight Ned was last seen Wednesday on the 4300 block of Oak Shadows Drive. (KPRC) HOUSTON – A 54-year-old Black man with dementia is missing in northwest Houston, according to a missing persons report. Dwight Ned was last seen Wednesday in the 4300 block of Oak Shadows Drive. Officials said Ned is 5 feet, 7 inches tall, 200 pounds and has brown eyes and black hair. He is described as mentally challenged with an IQ of 40. Ned reportedly left in an unknown direction on foot, per the report. He was last seen wearing camo pants and a blue jacket.