He was in jail for running a darknet drug marketplace. Hiring a contract killer was a crime he was neither charged with nor convicted of.
Ulbricht was indicted in federal court in Maryland on a single murder-for-hire charge.
The case was dropped after NY conviction since he was sentencing to life, so there was little point in continuing.
Clearly that was a mistake if a lack of an attempted murder conviction helped him get a pardon.
The judge factored it into the sentencing, though. He likely did actually try to hire a contract killer - twice. In both cases he sincerely believed the murders were successfully committed, and he sent a lot of money to the assassins after being sent (doctored) "proof" of their killings.
I think it's fair to say judges shouldn't factor non-charged allegations into sentencing, but I think he's at least morally culpable, here, and should at the very least be expected to now show public contrition for repeatedly trying to murder people drug kingpin-style.
I doubt he will ever admit it, but now that he's free I still would like it. I don't care about people enabling drug sales but I do care about people with a God complex who feel entitled to end the lives of those they oppose (in one case because he thought someone stole from him, and another because he thought they would dox him).