ITT??? Perhaps part of the issue, lesser things have set people off before, but anyway back to the bike...
+1 of reviewing the video. There have been cases of bicycles and motorcycles and cars being disabled in a basic way by someone to ensure the vehicle is still there after hours and to hopefully ensure that the owner will not be there. There was a period of time where thieves were removing car batteries, then coming back late in the evening and reinstalling the batteries and then stealing the car. I've also read of thieves removing saddles and/or front wheels hoping the owner will leave the bike locked up and to find a ride home, then the thieves come back later after hours when nobody is around and then cut the lock and reinstall the parts and then ride off on the now stolen bike. Or it could just be a co-worker or customer messing with you for some unknown reason, could be a warped prank (no damage so no harm in their mind)(if it wasn't a prank then they'd just poke a hole in your tire to do damage).
So, use caution, try to identify the actor, and try not to escalate the situation unless/until that becomes necessary. Then follow up and let us know what you found out. Hope I didn't exhibit any ITT tendencies?
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