On Friday, Manafort said in a statement that he maintains his innocence.
"I had hoped and expected my business colleague would have had the strength to continue the battle to prove our innocence. For reasons yet to surface he chose to do otherwise," Manafort said. "This does not alter my commitment to defend myself against the untrue piled-up charges contained in the indictments against me."
This may have something to do with it.....
Under the terms of the plea, Gates is estimated to face between 57 and 71 months behind bars. Prosecutors may seek a shortened sentence depending on his cooperation.