A couple of weeks ago, at about 10.10pm outside angel tube station i saw a guy fiddling with a bike chain attached to a brompton bike which was folded (surely the point of a brompton is that you take it with you instead of locking it up!!!!).
At first as i approached i was already suspicious because as you might have guessed this guy was in trackies with a hood on etc. He certainly was'nt your typical brompton rider!
That was me.