(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.
When Lewis asks Louisa in Spanish how old she is, he uses the phrase "¿Cuántos años?" (literally "How many years?")however the formal phrase used in Spanish to ask "How old are you?" is "¿Cuántos años tienes?" (literally "How many years do you have?")