You examine the wallet. Much to your chagrin, there is no identification of any kind. However, there is $200 USD in cash.

Oddly, the mp3 player has only one song: "Rosetta Stoned" by Tool, with a note to any would-be listener that, were you to listen closely to the lyrics or look them up, they contain several instances of foul language. You listen to the 11-minute song and try to make sense of it.