Jihadi domestic violence: Maulvi Nazir and Gul Bahadar vs. Baitullah Mehsud

Here is the authority:

Fighting is prescribed for you, and ye dislike it. But it is possible that ye dislike a thing which is good for you, and that ye love a thing which is bad for you. But Allah knoweth, and ye know not.

Surah Bakrah, Verse 216