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Peru crash

Investigators stand near the wreckage of a U.S.-owned cargo helicopter in Pucallpa, Peru, Monday, Jan. 7, 2013. Five U.S. citizens are among seven people killed in the crash in the Peruvian jungle. The heavy-lift, twin-rotor Chinook BH-234 chopper, owned by Columbia Helicopters in the Portland suburb of Aurora, Oregon, crashed Monday shortly after taking off from the provincial capital of Pucallpa bound for Tarapoto. (AP Photo/Noe Nole)

Deadly Peru chopper crash

Investigators picked through the wreckage Jan. 8 of a heavily loaded U.S.-owned cargo helicopter that crashed in the Peruvian jungle shortly after takeoff, killing its five American and two Peruvian crew members.