He's TRIED to settle with Monty. Monty has refused. Granted, Nick IIRC mentioned he refuses to retract his statement or apologize, since he thinks genuinely believing that Monty is a pedo is enough to save him, even though every time he said it it was with a wink wink nudge nudge, and even if he does win, it's going to cost him $250,000+ in legal fees. And Monty knows this, the little shitgoblin.
They're homeschooled, so unless the kids showed up for some school function that doesn't track. However if they showed up at the police station to report it at 8 - 8:30 after having seen something the day before...