Walsh never said anything to his boss about Detective Cole's dirty past in order to protect Beaumont from the truth, but his instincts are screaming at him that his decision was a mistake; one that may cost him his life.

So his methods weren't what she was used to, but they got the job done, at least. :Casey/Jason:

A night out with co-workers may change Casey and Jason's partnership.

FINISHED! Sydney Bristow knows that her way of life has doomed her to never find a love that will last. She’s given up on love completely and resigned herself to a life as a lonely spy. But one rainy day in Rio changes all that.