There are just so many eye witness accounts, and their first person verbatim accounts never recorded only summarized, makes it seem like a cover up of something else could be a possiblililty.
Read the 'Witness Interviews" section of the Wiki write up on Flight 800.:
Although the next section makes it seem like a problem with the fuel lines could have been the problem as most Govt experts thought.
Further investigation and analysis[edit]
Examination of the cockpit voice recorder (CVR) and flight data recorder data showed a normal takeoff and climb,
[15]:4 with the aircraft in normal flight
[45]:2 before both abruptly stopped at 8:31:12 pm.
[1]:3 At 8:29:15 pm, Captain Kevorkian was heard to say, "Look at that crazy fuel flow indicator there on number four... see that?"
[1]:2 A loud noise recorded on the last few tenths of a second of the CVR was similar to the last noises recorded from other airplanes that had experienced in-flight breakups.
[1]:256 This, together with the distribution of wreckage and witness reports, all indicated a sudden catastrophic in-flight breakup of TWA 800.
[1]:256
https://en.wikipedia.org/wiki/TWA_Flight_800