Impeachment by Violation of Training

When a prosecution witness performed a task that was part of the case investigation, that witness can be impeached for failure to follow training procedures for completing the task. Larry Pozner discusses how to do the following: (1) highlight the importance of training, (2) show that the witness deviated from the training, (3) pivot when training materials do not exist, and (4) take advantage of the witness’s attempts to evade.