(at around 29 mins) Right before Detective Benson frees herself from the iron-frame bed with one of the poles, Lewis already has blood on his face and t-shirt while he is unzipping his pants before she is free from restraint and has an opportunity to subdue him. See more
[to Lewis after suduing him
Hey. Hey, you. You're out cold, are you? I haven't called anybody yet. I think I want you to suffer first. Maybe I could burn you or cut you. Or I could use the blowtorch on you, but you might enjoy that too much. See, you you'd know what to do. Your whole life, you know what you want and you just do it. What I want to do I want to shoot you in the head right now, watch you bleed out. Or maybe that's too easy. My old partner he'd know what to do. He wouldn't question...