The cognitive interview is a technique developed by Fisher and Gieselman in 1992 to improve the accuracy and detail of eyewitness testimony. It involves having the witness reconstruct the original context of the crime, report every detail in any order, and recall the event from different perspectives. Research has found the cognitive interview results in a 34% increase in correct recall compared to standard police interviews, but it may be difficult to apply in real-life criminal investigations due to time and cost constraints.