The ethics were questionable, that was very true. After all, Walter's lab assistant died and that was what got him put away, right? But she trusted Walter, and more then that Peter to do the right thing. Which was very ironic considering Peter was a crook. Probably best not to bring that up though.
Then there was the big tank in the middle of the room which she went in to get John's memories. It was a little surreal being with Steve here like this. "So uh.. dinner's ready. I should get the guys."