[The Toll]

He’ll skate. There’s no evidence.

[dfwgator]

They only went after Weinstein in the hope that Trump would get snared along with him.

[oldvirginian]

“He’ll skate. There’s no evidence.”

Harvey is the scape goat and he knows it. Thus the play acting with the cane and walker.
He knows he’s going to jail he’s just trying to minimize the damage.