The video clips posted here are for educational use in  law school evidence classes. If any copyright holder objects to their dissemination, please advise me.

Clip Case Witness Issues Description
Commonwealth v. Macy Beth Queen Arthur Young Direct & cross exam., Nov. 28, 2011 Various Criminalist testifies that DNA tests prove that the accused's skin cells were on the handle of a dagger and that the deceased's blood cells were on the blade. CX (without pretrial discovery) tries to show discrepancies in the report and limitations of the tests and their interpretation.
Commonwealth v. Macy Beth Queen Arthur Young Final report

STR testing
People v. Conrad Murray Dr. Alon Steinberg Pros. direct exam., Oct. 12, 2011 Legal conclusion? Cardiologist who reviewed Conrad Murray’s treatment of Michael Jackson for the California medical board concludes that use of a particular anesthetic to treat insomnia is "gross negligence."
People v. Conrad Murray Dr. Nader Kamangar Pros. direct exam., Oct. 12, 2011 Legal conclusion? Sleep disorder specialist affirms conclusion of "gross negligence"
People v. Conrad Murray Dr. Nader Kamangar Pros. direct exam., Oct. 11, 2011 Helpful opinion? Sleep disorder specialist agrees that calling 911 is "basic common sense"