A Coaldale former Marine, missing since Jan. 20, has yet to be found despite a two-day search by firefighters and other volunteers.
Corey Samuels, 24, suffers from Post Traumatic Stress Disorder stemming from his experiences in the military, Coaldale police Sgt. Keith Krapf said.
"His family said this is not the first time he's taken off for periods of time, but this is the first it's been this long," he said.
On Friday and Saturday, volunteers, accompanied by search dogs, scoured the wooded, mountainous terrain of the property owned by BET Lehigh Real Estate, land that was formerly owned and mined by Lehigh Coal and Navigation.
The property, which stretches through Coaldale, Summit Hill and Lansford, can be treacherous, Krapf said.
Krapf went up in a state police helicopter on Sunday, but no evidence of Samuels could be found.
He said Samuels was last seen in the woods with friends near Summit Hill.
There are no immediate plans for further searches unless police receive new information.
"I believe we've exhausted all possible resources at this point," Krapf said.
According to his Facebook profile, Samuels' girlfriend is Tara Corin Kurtz since Aug. 15, 2013. The profile also says he graduated from William Allen High School in Allentown in 2008, and joined the U.S. Marines shortly thereafter. He left the Corps in 2012.
Efforts to reach Kurtz, and to reach Samuels' sister, who lives in Coaldale, were unsuccessful early Monday.