Benefits 20% of cases. Yuille and Catshall- high stress doe snot necessarily impair memory. AT a shooting incident 13 of those interview agreed to being reinterviewed 5 months later. Highly accurate in they acvvpunts, little change ecvevery memory, age, height and weight. Can be made stronger through cognitive interview- calming scheme. Reinstatment, recall from a changed prospective, recall in reverse order, report everything.