Incidentally, most successful pickpockets work the public transport system. If you ever find yourself boarding an underground train immediately behind someone who "changes their mind" about travelling on this particular train, so turns round and jumps off - you or someone near you has just lost...
I "lost" my wallet in Prague a few years ago.
At the time, I hadn't a clue how it had disappeared.
Several weeks later, I was at a meeting in Hove Town Hall, talking to a Hove councillor who had also been to Prague earlier in the year. I said that I'd had great time, apart from losing my...