"We're treating it as a crime scene," said Weber County Sheriff's Lt. Phillip Howell.
About 12:30 p.m., Howell said his office received a call from Layton police asking for assistance in their search for the boy.
"They think they have a lead that might provide some evidence involving the investigation," Howell said.
He declined to say what kind of evidence the eight deputies and city police officers were looking for or if they were searching for a body. Howell confirmed the Utah State Medical Examiner's Office had been called "in the event evidence is found that he is needed for."
Several deputies carrying shovels were observed hiking into an area cordoned off by yellow crime-scene tape. Several police vehicles and a mobile command station from the Weber Metro Crime Scene Investigation unit were parked Tuesday off the side of the road about 11 miles up Ogden Canyon near Wolf Creek Resort and Powder Mountain, past Pineview Reservoir.
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About 200 yards off the main canyon road, in a heavily wooded area close to a dirt access road owned by Powder Mountain Ski Resort, investigators in yellow rain coats could be seen focusing on a specific area blocked off by yellow police tape.
Through a telephoto lens, detectives could been seen holding plastic evidence bags. Flashes from a camera also went off frequently.
A canopy was set up about 30 yards away from the area where the investigators were working.
A steady rain, cold weather and muddy conditions were making the search extra-challenging. Howell said the detectives would likely be working into the evening and may have to return in the morning to finish.
"I can't say how long we're going to be here," he said.
http://www.deseretnews.com/article/700031409/Search-for-missing-Layton-boy-focused-in-mountains.html