Authorities believed they were headed to Shoreline, officials with the Skagit County Sheriff’s Office said.
According to deputies, 25-year-old Ryan Hall went to the 12000 block of state Route 20 in Anacortes, broke into a home and took 2-year-old Don Byron Hall.
They were believed to be in a black 2000 Lexus GS400 with plate ARJ7450.
Authorities said Ryan Hall had threatened to harm Don Byron Hall and his mother. There is a protection order against him.
Ryan Hall is described as white, 5 feet 9 inches tall, 220 pounds, with blue eyes, brown hair and tattoo lettering across the front of his head. He was last seen wearing a dark gray pinstripe suit.
Byron Hall was last seen wearing a blue onesie.
Anyone with information is urged to call 360-428-3227.