A scientist researching childhood asthma near a chemicals plant receives an anonymous threat to keep quiet. Can the team from Manchester identify the culprit? Show more

Several people come under suspicion when numerous fake ten pound notes are found at Kilcrammond House Hotel. Can the team from Newcastle catch the fraudster? Show more

On the morning of a mountain expedition, a climber reports that one of his ropes has been partly cut through. Can the team from Glasgow identify the culprit? Show more