A: Do you think the accused will leave the room a free man?

B: Yes, definitely. The defense lawyer had the jury in his pocket.

Note: This idiom, sometimes also used as “in one’s hip pocket,” means “under one’s control or influence, especially in an underhanded or unethical way, such as by bribery or extortion.” For example: It’s pretty obvious that our national legislators are all in corporate bigwigs’ pockets.