I don't want to jump to conclusions, but this type of thing is not the type of thing that would happen under the watch of the USMS. I also suspect military or private transporters were involved-- not the USMS.
He didn't incident to trying to get handcuffs off and he rans out of the concourse. The law enforcements didn't find him at all. I think he is already out of the airports. He failed to comply to be escorted with the prisoners during the transportable out of SLC-DEN-COS. Next time they should have nonstop out of SLC-COS instead of going to put on UA.