OVERLAND PARK, Kan. (AP) — Police have issued a Silver Alert for a 66-year-old Overland Park man missing since Thursday. Overland Park police say David Lee Dotson was last known to be home Thursday morning. Police say he is an insulin-dependent diabetic and may not have his insulin with him. Dotson was last seen wearing a yellow polo shirt, jeans, gray tennis shoes and eye glasses. He drives a red 2004 Toyota Highlander with Kansas tags, 328 CGM. If you have any information regarding the whereabouts of David Lee Dotson or his vehicle, please contact the Overland Park Police Department at 913-895-6300.