Robert
Oh, I've been here for quite some time. Just not in human body. You see, I spend a lot of time keeping an eye on things - particularly what little money Aperture Labs has snugly settled away.
Namely, under the account of Caroline Johnson & Associates.
Now, it's a shame you're supposedly the best at this little game of stealing funds, because if you are? It's really sad. I backtracked you and everything you've done over the course of the past six years. You're messy as a child's science project, Mr. Winchester.