Correction, he started intercepting the data as well as playing cop. Still that better than running away. If it were the USA, he would have been in jail for sure.
Is there any evidence of this? Simply owning a fake badge doesn't even prove intent, let alone being actual evidence that it happened.
Well, not in the US. Many other countries take a dim view towards citizens owning anything that even remotely resembles the accruements of official power and authority.