It seems nothing can be done about a known teenage paedophile, apart from one on one supervision until he turns 20, unless he does something. Great. Just wonderful. I would have thought that entering a backyard to play with children was doing something untoward on his part. Yet it's not enough. What is required is a child sacrifice before the police can do anything effective.
For more, see Teenage sex predator a 'ticking time bomb'
For more, see Teenage sex predator a 'ticking time bomb'