Here is the room where the security camera are. You can look up the security tapes for the rooms around the time of the murder for all the crime scenes. Pop in a security tape for one of the 6 rooms that the crime scene suspects were using.

The Master suite (a suite where the 6 suspects were staying.)
The King's suite. (fred's room)
The ballroom. (Crime scene)
The inner movie theatre
The restaurant
The spa