It's a straight question, but it's not an easy answer. She might have been accused based on nothing besides wanting to get her away from him, a finger pointing blindly in the right direction. Or she might have been noticed using her vice, or someone she trusted could have turned her in. Probably all three, if his speculating is correct. Anger's bubbling up through his grief now, a simmering kind of frustration that can't be easily soothed.

Colin seems to get it though. He's supposed to have stopped loving her, but he still does. "No one deserves to die that way."

He goes back to work on his little embroidered volcanoes, shoving the needle through more aggressively than needed. A broid rage, if u will