A creative university research project suggests the possibility of a security awareness exercise associated with BYOD and laptop security: why not offer a bounty for laptops and other ICT devices "stolen" from their owners in the office and delivered to the Information Security Manager this Friday? The bounty might usefully reflect the value of the information on the device.
If nothing else, the stunt will raise awareness of the physical security risks associated with portable IT devices - which sounds like A Good Thing from my perspective!
Best let Site Security know this is happening in advance. As to whether they are encouraged to try to prevent the 'thefts' or not, that's your call.