You don't even know what happened, you're making assumptions, not stating "facts". I don't think DR is the right place for your gender equality crusade, you might wanna take it to tumblr.
it says he is abusive in the title. Wife beats her drunk, cheating, abusive husband.
If he started hitting her first, and with undoubtedly a weapon, then she has every right because she is in the right. Your sexist slur doesn't change that fact