The patient goes through epileptic seizures, and the Jinn that has been appointed to the task of Sihr speaks through the patient. This is when you should deal with the Jinn. You should ask the jinn several questions. Remember, if the jinn denies answering the unnecessary questions then do not force him and proceed further.
What is your name?
What is your religion?
Why have you possessed the victim?
If he does not respond...