What was Taylor's motivation?
I think this is the most unsettling unexplained thing about this film. What was it that Taylor really wanted from these people? Some have speculated that Taylor was actually interested in Alex, but I think that is a stretch to say the least. You'd think Taylor would have killed Sophie and not Alex if that was the case. Okay, so Taylor wants what Alex has? And what does Alex have? Money? No. A "sort of" girlfriend? Maybe. But geez, he didn't even know Sophie existed until after he met Alex. Was his original intent to rob Alex? It just makes no sense, which leaves us with the explanation that Taylor was some sort of sociopath who just stalked his victims at random. He sees Alex with an Australia guidebook and realizes that Alex is vulnerable and out of his element. Of course, Taylor was not Australian either, so how the hell did he know where to go? I mean how long had he been there. Supposedly, he had been in Thailand and screwed someone over back there. So does he just travel around picking victims here and there?
I think this film could have been more interesting if there were some basis for Taylor's behavior? A traumatic childhood experience for example? blah blah blah. I guess I can accept the psychopath thing, but if that's the case, why not just kill Alex straight away. Why put us through the hour and a half wait?
I'm just sayin'