You still need to get all information of the scammer including his Home Address details.
Bitcoin is so anonymous that you will be unable to find scammers home address and this site still not having bitcoin amount scammed option.
Still you cannot arrest a scammer who scammed you by bitcoins.
But opposite is the case with paypal.
Always be safe when you transact bitcoins to a person. No government can be able to arrest the scammer who scam by bitcoins