Does anyone know any good 3rd Person Shooter tutorials?

Unity used to have a "Bootcamp" demo on the Asset Store, but it seems to have been removed relatively recently. You could see whether it's still available from other sources (I know that there were various mods of it to make it multiplayer enabled etc.)

Either that, or start from one of the other third-person projects - Angrybots or Stealth, for example. https://www.assetstore.unity3d.com/en/#!/content/12175