I feel that the days of studios needing "security staff" are close, if not here already !
True story:
Friend has a fairly decent studio, it's pro but not a "name" as yet.
Takes booking enquiry, the "Talent" comes over, plays songs, chats, drinks coffee and books in for the
following week and pays a cash "deposit" for the first few days, around £400 or so.
They setup and record on day one = all good.
Day two, at an appropriate quiet moment, 6 "mates" turn up, they pin the guy down and pretty much empty
the place of everything valuable in an hour, yup including unscrewing the tasty rack pieces !
NOT a good ending, but thankfully he was unharmed in the process, though heavily threatened.
It was all bogus, mobile phone numbers were throw away cards etc.
I can't even begin to understand how this sort of persons mind works !!
( upshot from Police was that this wasn't the first time, very similar set of events a number of times, this was 2010 )
I just have ( thankfully ) too much old school "right and wrong" programmed into my psyche
Marty.