Nominative determinism gone wrong

[ShampooEfficient]

http://www.bbc.co.uk/news/uk-england-somerset-1503...

Can you imagine being the arresting officer? "Name?" "No, real name?"

[ZOLLAR]

article said:

The court heard that the school's headmaster had warned him about his conduct with the girl before he was caught and arrested

So was the head aware of the relationship already?.