There's a nod from John, and, predictably, nothing from Sherlock. Greg sighs and calls for Donovan and Hopkins. Christ, a killer who rapes and tortures his victims before letting them bleed to death. This whole thing is a PR nightmare.
Sherlock's mouth curls up in what might be a smile. "The dimensions of the rooms are indeed off," he begins. "I'd suggest looking behind this wall, which appears a good five centimetres thicker than it ought to be...""Alright," Greg says, and calls for [whoever. Anderson].