By Dr. Ken Broda-Bahm -
In the pivotal scene of “My Cousin Vinnie," a movie beloved by those who follow legal persuasion, the defense attorney, played by Joe Pesci, asks the judge permission to treat his now estranged girlfriend as a hostile witness. This is a request that the judge, with a knowing look, quickly grants. The scene provides an important reminder that even when a witness might formally be on your side, there could be one or more dynamics at work making your own witness "hostile" to your interests.
I was recently asked by a legal team faced with the task of defending the depositions of a large number of witnesses how to handle difficult witnesses who could not, or would not, answer questions with the sensitivity or strategic sense that a situation demands. Such a witness may be prone to emphasize dangerous aspects of testimony even after being clearly shown by counsel why it is dangerous. As I've written before, woodshedding the witness with strong "say this..." instructions is not the answer, for reasons both practical and ethical. Instead, the first step in preparing the marginal or reluctant witness is diagnosis: It matters why the witness is not getting the message. There are a few different possibilities:



