Interesting article & interesting claim by Joseph Cox:
http://motherboard.vice.com/read/someone-in-government-was-also-tipping-off-silk-road-2-sources-say
tl;dr - DoctorCLU (and Tang Probably) Claimed that Oracle was LE (as many of us claimed before), and the article say that there is a possibility that it was also another handle of Carl Mark Force. True? who knows.
As /u/gwern put it on twitter: Clu is a liar, fool, and thief, Oracle a self-confessed disinfo artist, ...
My hands are greasy from all of this popcorn.
The Oracle wasn't an artist. Silk Road 2 took a page from Fight Club and had a mischief committee. They paid off journalists and had an INFOSEC department run by a bunch of space monkeys on stimulants. They weren't professional by any means, which is why they had a UC on staff and their site was a soup sandwich full of no escrow drama.
Also I heard Dr. Clu sent Joseph Cox a copy of the vendor/mod forum. And kickbacks for good publicity.