Arrest Number 1: By a constable of law who has probable cause.
They must have first-hand knowledge of the probable cause, they must tell you why you are being arrested, and they must tell you the name of the victim.
They are responsible for their actions if they get it wrong.
The victim must press charges or make the claim that you committed a crime against them, or the constable cannot act, as he does not have the authority to do so.
Arrest Number 2: By a constable of law, who will present you with a warrant, signed by a judge and backed up by a certified affidavit of the victim making the claim that you broke the law.
Getting Arrested