Gob, if he got that lottery ticket on the side of his poll he’d remember the gold cup, he would so, but begob the citizen would have been lagged for assault and battery and Joe for aiding and abetting.
There are no more uses of "abet" in the book.
Show samples from other sources
The man who could not be discourteous to a ground-squirrel had sat in the courthouse abetting the cause of grubby-minded little men.
Harper Lee -- Go Set a Watchman
Not telling her is tantamount to aiding and abetting the enemy.