End Of The Road

First, please listen to the news article: Click here to listen

Questions:
1) According to the article, why was he not arrested before?
2) How were they able to gain evidence against the website?
3) Many problems on the Internet have been possible due to anonymity. Do you think anonymity has any good uses on the Internet?

If you couldn't catch everything from listening, then please see the article here.
You can see the full BBC article here.