And does Pi have any use?
His sole purpose seems to be to get on Castle's nerves. And ours. The sooner he goes the better.
I would also agree with Christopher
in that I was pleased that they didn't have her ruin her career by going after the Secretary of Defence. It's pretty clear that having to let people go unpunished will be what pushes her back to being a cop in NYC. Hopefully they don't drag it out too long.