and interested in according to the police perhaps robbing her. >> greta: did anyone see anything unusual at the casino between the two? in an argument or laughing anything? >> reporter: one theory is the two were kind of playing together and joran van der sloot was helping stephany in the game. and he ended up losing some money. and the idea they they would go back to the hotel room to share out some of the money she won. it was kind of a partnership in a poker game. >> greta: dan, this room is in the hotel where stephany flores was murdered and joran rented a room. this is not the room but similar. what struck me is i wondered didn't anybody hear her getting beaten to death? it feels luke a tomb in here. >> reporter: very solid