On November 24 Children's Aid Society went to the home of Ricky Doodhnaught, 31, and his partner to remove the couple's two children under a court order.
At the scene they were able to retrieve one of the children when the mother was arrested but Doodhnaught fled the scene with his son George.
Father and son have not been seen since that time.
It is believed the Doodhnaught is traveling in a 2002 Dodge Caravan. Possible Ontario plates marking the vehicle are:
BMJZ199 or BFJT783
Doodhnaught stands 5'10 and is 240 pounds. He has short black hair, brown eyes and brown skin.
York Regional Police is asking anyone with information about this incident to contact the Homicide Unit at 1-866-287-5025 or 905 773-1221, ext. 7865, Crime Stoppers at 1-800-222-TIPS, leave an anonymous tip online at
www.1800222tips.com, e-mail the Homicide Bureau at
homicide@yrp.ca or text your tip to CRIMES (274637) starting with the word YORK.