[Sherlock immediately turns to look at the body as directed, mind already whirring, refusing to accept that Molly may have been killed. He can't be too late, he can't have sent her out to her death, that would be an unacceptable miscalculation.]

Estranged, John, she has to be somewhere associated with your parents. She's not here-- were they cremated or buried?

[The phone rings twice before Lestrade answers, sounding unimpressed.]

Bloody hell, John, where are you? I went round to that godforsaken flat earlier and you're both gone.