A team of federal investigators have to comb through the wreckage of a crashed airplane to find the cause of the fatal downing. Was it terrorism? Negligence? Human failure? Or just a tragic accident?
2014
1973
1943
2009
2012
1949
1939
1974
2006
1955
1977
1981
1999
1983
1930
2005
1979
1920
