An extensive ground, water and aerial search was held Sunday at Trent University in Peterborough for a missing student. Brett Michael LeBlanc was last seen on the camps on Nov. 17. LeBlanc is legally blind and is able to walk without assistance and typically wears black sunglasses. He is Caucasian, five feet 10 inches tall, 169 pounds with brown medium-length hair and a thin moustache and was wearing white high-top sneakers.