[razark]

Actually, I was thinking of the "Entities are not to be multiplied without necessity" version.
As in, the events are sufficiently explained by Madsen, Wall, the boat, and the police.

There's no need to assume Madsen, Wall, the boat, the police, some unknown number of spooks, conspiracies, space programs, navies, secret aliens and whatever else sprinkled in to make a good tin-foil-hat salad.