FOX suggesting Cohen may get a sentence reduction if he provides information before he turns himself in. That seems like possible motive as to why he was not ordered to prison for several months.
I have heard it happening, 'to get their affairs in order', but 90 days is way longer than any I can remember.
MSNBC reporting something about American Media [National Enquirer] reaching non-prosecution agreement, that they paid McDougal in attempt to influence election by not publishing story.