I really don't know how to tell you.
it is your family's staff. However, if you really want to punish him on GC's issue, it is very easy.
Just send USCIS a letter with your signiture and 140 485s notices, and say that you will divoice,your hu*****and's petition is invalid. Then your hu*****ands case will pending for ever or denied.
ONCE AGAIN: I really don't know how to tell you.