It's a trick.It's just a magic trick.All right, stop it now.No, stay exactly where you are.Don't move!All right.Keep your eyes fixed on me.Please, will you do this for me?It was vital that John stayed just where I'd put him.and that way his view was blocked by the ambulance station.Sherlock!I needed to hit the air-bag,which I did.Speed was paramount.The air-bag needed to be got out of the way just as John cleared the station.But we needed him to see a body.That's where Molly came in.Like figures on a weather clock,we went one way, John went the other.Then, our well-timed cyclist...put John briefly out of action,giving me time to switch places with the corpse on the pavement.
