His? Your tale is a man?And a stupid man at that, dear God Whoever your tale is, clearly he is either not very good at covering his tracks or he simply had no regard for what would happen after he left.
What [...] condition is the girl in? As for the stains, there are numerous ways to get blood them out of carpets. Most of them are rather unorthodox, but they do work. Using water first and then detergent will sometimes work [...] or so I have been told.