If a Muslim kills another Muslim in a land of disbelief, do they resort to their secular courts?

Question:
He says: Honorable Shaykh, may Allah grant you success. He says: The Muslim minorities in a land of disbelief, if a Muslim kills a Muslim, is it permissible for the family of the victim to resort to the courts of the disbelievers?

Answer:
No, they should resort to the Islamic center, because the Muslim minorities establish a reference point among the Muslims that takes the place of the ruler. This reference point and this center take the place of the ruler, and there is a judge in it, and there is. Yes.