edit: this is something that vice news [0] reported that is apparently wrong.
> But despite these setbacks, Ulbricht was ultimately convicted in February on a raft of charges, including drug trafficking, computer hacking, money laundering, and hiring assassins to take out members of Silk Road.
[0]: https://news.vice.com/article/ross-ulbricht-convicted-master...
Apparently his first attempt he hired an fbi agent, posing as a hit man and his second attempt seems to have been a con-job...
He tried though. Apparently the fbi agent sent fake photos as proof.
Article from Ars Comments. http://www.bloomberg.com/news/articles/2014-12-09/us-says-si...