OROVILLE, Calif. -- The Butte County Sheriff's Office (BCSO) announced they will be shifting to a continuous limited search as they have entered the 10th day in searching for Andruw and Wesley Cornett, two teenage duck hunters who went missing in the Thermalito Afterbay on Dec. 14.

Officials with the BCSO said they have exhausted all efforts with divers and sonar technology and will now shift their focus to a continuous limited search, which involves surface search methods such as aircraft, drones, boats, on-shore vehicles and K9 units.