Putting a sign on the bike noting that it is under video surveillance couldn't hurt. I hope that the security people find out who is doing it.
As others have suggested, it may be a coworker. The outside world would as soon steal the whole bike as gently deflate the tires.
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"He who serves all, best serves himself" Jack London
Originally Posted by
Bjforrestal
I don't care if you are on a unicycle, as long as you're not using a motor to get places you get props from me. We're here to support each other. Share ideas, and motivate one another to actually keep doing it.