Not saying he's RJ just want to point out a spooky detail the directors put there to freak us. Play again the nightmare of Lisbon. Look very carefully when camera focuses on dead Wayne's face. His eyes look to the floor and just the last moment they look right at the camera! Spooky!
Also in the same scene, all three are covered in blood except for Jane although Reede is next to him with his hands all bloody! His cup of tea is next to him on the floor and it's still on its little plate, and not even broken! Strange.

So if Partridge is not dead, Jane can't do nothing to prove it, right? The people who cover up his false death would not let Jane anywhere near his body, right?
So Lisbon is taken away with the ambulance. I would think they would clean her face in the ambulance or if not then when she gets to the hospital first thing. Since she has no wounds I mean. But Jane is in a harry to clean her face right there. Is he taking a sample of what is on her face, maybe?