Almost immediately, the general consensus was that it was an obvious act of sabotage, most likely terrorism, and the FBI immediately began a parallel investigation into possible criminal involvement. This seemed to be the right direction due to the fact that any other accident that has occurred under similar circumstance has been an act of sabotage. Despite this, it was only one of many theories on the "What-if Wall": bombs, fuel vapors, engine fuse, and several others that were about to be proved or disproved. The two years of the Flight 800 investigation were filled with delays, dramas, and disagreements. Politicians were, at points, dictating the direction of the investigation, agents from the FBI and NTSB fought over the handling of evidence
             The first of the problems developed as the investigation was just beginning, while their investigation was officially "parallel", every piece of evidence recovered passed through the FBI's hands before reaching the NTSB. One problem was one of communication between the two groups of investigators, in one instance the NTSB left an FBI agent behind at the dock when going to the crash site. Another problem was the FBI's tight-lipped policy regarding evidence even with the NTSB. Learning facts of the case from news reports, especially after being threatened by the FBI with criminal charges further angered the NTSB. Even after recovering the majority of the wreck the conflicts continued, in the 12,000-square-foot Grumman hanger in Calverton, NY no NTSB agents could even be present while FBI bomb experts looked for signs of sabotage. Even at the highest level the problem was evident, NTSB vice chairman, Bob
             Francis, would refer questions asked by reporters to his FBI counterpart Deputy director Jim Kallstrom. "A lot of people assumed that when I did that, I didn't know the answer," said Francis. "It wasn't that. I didn't want to make t
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