Wild, wild space: who makes the laws once you've left the planet?

Very soon tourists will be heading into space for the first time. Ron Rosano is going to be one of the first to travel on a commercial 'spaceline'. But what happens if someone commits a crime in space? What laws are they held to and who is responsible for punishing them?

https://www.youtube.com/watch?v=fRU4K_J8fq0