Who is the perpetrator of the Kafas band in the luxury hotel?

The victim’s brother is the perpetrator of the Kafas band in the luxury hotel. According to relevant public information inquiries, in the book "There is Only One Truth", the victim of the Kafas band in a luxury hotel was knocked unconscious by his brother because he squandered his property too much and took away all the funds. Perpetrators include criminals and persons implicated in connection with the documentary and physical evidence of the case.