Beware the hobby bobby

‘Anything you say may be given in evidence. Do you have anything to say?’ I looked at the baby-faced police officer and tried to think of an appropriate response. I had been driving to Guildford station to meet a friend who every now and then comes from his nearby home on the train. I park in the station car park and together we walk to a kebab shop, order some food, eat it where we can perch, and cheer ourselves up. Running low on diesel, I pulled into a filling station on the way. After pulling back out, I noticed a police car close behind. I turned into the railway