" : Suspect is ` ` out in those woods right now , '' Pennsylvania police says . NEW : Authorities use thermal imaging to help them find the 31-year - old suspect . Authorities hunting suspected cop-killer Eric Matthew Frein say they discovered an AK-47 rifle , some magazines and a small bag of ammo in the northeastern Pennsylvania woods where they believe he was hiding . Police discovered AK-47 and knife they say belong to Eric ##k Frein . Frein is wanted for killing one Pennsylvania state police officer and shooting another .
" : Suspect is ` ` out in those woods right now , '' Pennsylvania police says . NEW : Authorities use thermal imaging to help them find the 31-year - old suspect . Police discovered AK-47 and knife they say belong to Eric ##k Frein . Frein is wanted for killing one Pennsylvania state police officer and shooting another .