Authorities hunting a survivalist and suspected cop killer in the rugged woods of eastern Pennsylvania say they believe they are closing in on him and have brought in a 6.5-ton armored tactical vehicle dubbed "The Rook" and outfitted with robotic video cameras to assist in a search now entering its 12th day.
Lt. Col. George Bivens told a press conference Wednesday that officers believe they spotted 31-year-old Eric Frein, who is charged with killing one trooper and wounding another, as recently as Tuesday. However the distance and extremely rugged terrain separating the officers from Frein in each sighting meant "he has had the ability to disappear," Bivens told reporters.