Alistair was sitting at a street-side cafe bordering a busy outdoor weekend market when he witnessed a distraction theft. A thief engaged a customer at a neighbouring table in a conversation while an accomplice quietly stole a designer handbag resting on the back of the customer's chair and fled down a narrow alleyway.
Outline at least one suggestion a psychologist might make to the police regarding how to interview Alistair about what he saw.