Was that real or did it get debunked? I remeber some reporter (Brock?) confessed to making stuff up about Clinton. Big backfire for anti-Clinton folk.
Anyway, John E. O'Neill doesn't seem like one to fabricate, and seems pretty smart. I assume he has carefully done his homework.
The trooper were news for a few days then faaded away, popping up every once in a while on talk shows.
A book of this type has to be factually correct. If a part can be didcredited, it affects the entire publication.