I jumped in and kept my head down. Danny didn't say a word. He just hit the pedal and we were out of there.

It was 9.04. The journey to our first change of transport took exactly four minutes and covered a distance of approximately two and a half miles. We'd parked a Mondeo in a quiet piece of Forestry Commission land earlier that day. Danny now pulled up behind it, cut the engine, and got out. I leaned under the passenger seat and removed a full five-litre can of petrol which I liberally sprinkled over the car's interior. When it was empty, I got out, lit a book of matches, stepped back so I was well out of the way, and flung them in, followed by the murder weapon and the two-way radio I'd been using. There was a satisfying whoosh as the petrol ignited, followed by a wave of heat.

When they came across the mangled wreckage it wouldn't tell them anything. We hadn't left any fingerprints and the car itself would be almost impossible to trace. It had been stolen in Birmingham six months ago, given new plates and a respray, and stored in a lock-up in Cardiff ever since. In this line of business, you can never be too careful. Contrary to popular belief, most detectives couldn't detect a heartbeat on a speed addict, but you never know when you might be up against the next Ellery Queen.

We now followed a pre-arranged route for four miles through a mixture of B and single-track roads and it was 9.16 when we pulled into the car park of Ye Olde Bell, a busy country pub on the edge of an affluent-looking commuter village. Danny drove up to the far end and stopped behind a burgundy Rover 600.