If you do this, get a chainbreaker and remove the chain. It'll be much easier to catch them this way.
They might not be willing to unlock it if they see somebody has tampered with the chain. If you are forced to break the lock, then you may have an to deal with the police, which IMO is definitely not worth at as breaking a lock never looks good.
They might not be willing to unlock it if they see somebody has tampered with the chain. If you are forced to break the lock, then you may have an to deal with the police, which IMO is definitely not worth at as breaking a lock never looks good.