Pickpockets are all over the world. Mostly in major cities and tourist attractions.
Pickpockets are a way of life around the world especially in large cities and touristy sites. Be aware of who is around you. Use a Fanny pack or money belt under your shirt. Pickpockets use a group of people to first distract you and second steal your valuables. They are very good at what they do. This YouTube video gives tips on how to keep your valuables safer and some of the distraction techniques they use against you.