Sylvain Baril was 38 when he was last seen in Montréal on August 30, 1999. Born in 1961, he is described as about 5 feet 7 inches tall, 61 kilograms, with brown hair, green eyes and several tattoos on his right arm and left chest. The specific location and circumstances of his disappearance are not provided.

His case is logged with the Service de police de la Ville de Montréal under case number 46-990830-012. Authorities noted he may have had a dependency on drugs, a detail included in appeals for information. Public requests have asked anyone who saw him around that late August day or who has information since to come forward.