It was Russian hookers, possible Ukrainian. He did not pay them enough and said that he should be the one to be paid (as he was known to say in other occasions at other hotels allegedly....) So they invited in their business partner to settle the matter.
The security video would show the women and the missing Rolex watch and the large amount of cash being divided up.
* I read an inside source at the hotel who helps ladies in need of er... work talked to the police : )
Here is a still of one of them...
Mebe he was on a treadmill, stumbled, fell, and banged his head.......