“Okay, so if the dog senses the presence of any of the organic markers that go to make up any particular d**g, she gives me an indication and we go and investigate.” “And what about the man-made stuff?” Drake interrupted. “You said something about an edge.” “Yes, that's right. In most cases, these modern chemically composed drugs have to be made into powder of maybe a tablet or capsule. To do that they have to use any one of a number of …” “Organic markers,” Ross said, cutting Morgan's explanation off in mid-sentence. “Well done, Inspector,” Morgan applauded with both hands. “Fancy a job on the d**g Squad?” “No thanks,” Ross laughed. “Give me a good old-fashioned murder to solve any day. I'll leave that side of things to you and your colleagues.” “Right,” Morgan said, before adding.

