Originally Posted by 0...0:
“Not just Kathy though. He bashed Denny in and Sharon was trying to protect him, Martin wasn't happy about him being taken to the police station, Ben too even though he was nearly fingered for the crime. I think they are trying to normalize the Beales' actions by making everyone else morally bankrupt. Even Jack shrugged his shoulders!”
Sharon was protecting herself, Phil and maybe Ian & Jane.
I recon when he admitted to caving in Jane's head against Richie's advice, she realised that Lucy was a genuine mistake, he didn't want to kill her, and that everything since (Denny & Jane) has been Jane (and Ian)'s fault for covering it up. He's just a kid who's had to keep it all in.