Xanthippian

You may not like to hear this interpretation, but the first thing that occurred to me when I heard about the multiple male DNA traces on everything, along with the used douches, was a question of whether she might not be prostituting? I hate to even suggest it, but it is another scenario that fits the evidence. I'd be surprised if the investigators didn't discuss that among themselves, but didn't want to include it on the episode for obvious reasons.