Possible Clues:

• *Surveillance session
• Surveillance (in the context of possible crime)
• Risk not considered in surveillance activity
• Keep a check on location for second date
• Observation of suspect starter in savoury meal to go
• Director's shoot in old French capital - the first that requires detectives to work in secret
• Director's shoot in old French capital - that requires detectives to work in secret
• Keep an eye on porter gathering fish but wasting hour
• Secret surveillance
• Surveillance operation