Whenever someone believes that an officer was racially biased, used excessive force, coerced a confession or fabricated evidence (or destroyed evidence), the issue becomes whether this is a practice or habit of the officer. Does the officer have a documented history of doing this? To find out, one can file a Pitchess motion as long as there is a threshold showing of reasonable cause. In the past, the motion might be granted, but it would be tough to ever get the records. The following ruling changes that. To read more about this, click on the following link.