With respect to a parole violation by a particular person, a seventy-two (72) hour detainer is the time period your fiance will be incarcerated for pending his appearance in court for the violation of parole charge that he was recently arrested for.In essence, your fiance is in jail without bond for at least seventy-two (72) hours pending the scheduling of his first court appearance (arraignment) for the violation of parole charge. The purpose of the detainer is to make sure he is not released where he could end up fleeing the jurisdiction of the court that issued the parole violation charge.