[There's a pause as she goes stricken, and really considers the implications of what he's trying to tell her, before she reluctantly and grimly sends him her reply.]

... 'most of the time'. Only most of the time. I wasn't there the whole time, and she could've left and come back before I arrived. I can't vouch for her the entire period of time.

Only that she seemed perfectly like herself while I was around, that's all. I ... wouldn't have considered her a suspect at all.