How TWISTED and DEVIANT do you have to be to pull an elaborate stunt just to see one of your coworker's breasts?

Last Friday, 44-year-old Russell Kent Gordon of Portland, Oregon was arrested for allegedly planting a SPY PEN on a female coworker's desk so he could tape her using her BREAST PUMP to pump out milk for her new baby. 

The woman noticed the pen last week and realized it was hooked up to a USB drive.

It's not clear how long Gordon had been taping her. But she told her bosses, and they fired Gordon and called the cops. He was arrested for burglary and invasion of privacy.

And he looks like a creepster that would do something like this. Here's his mug shot: