[retconn]

That's very quick.

My memory is a little hazy, but the fast prosecution was motivated by covering up structural inefficiencies in CA energy trading created knowingly against considerable objections by politicians, that Enron abused, and not the a priori fraud of propping up their stock for dozens of quarters to be able to trade so massively in the first place.

Edit : to clarify, politicians created structural inefficiency in the California grid, in the name of deregulation, specifically Govenor Pete Wilson and California Legislature AB 1890 of 1996.