Arrest of a suspect or even detaining a witness for questioning does not always produce a confession unless the confession is being manufactured. Maybe the subject only has information that might be material. As for Funny - The IDF has already detained thousands in the Fogel case. They have not charged anybody in that case, just as nobody has been charged in this case. The PA is not allowed to be in on the Fogel investigation.
Two mortar shells explode in Golan Heights, no casualties or damage reported (Haaretz)