Dr. Gupta explains how the drug that killed Michael Jackson works

Jurors will hear opening statements and the first witnesses today in the trial of Michael Jackson's doctor, Conrad Murray.

Murray is charged with involuntary manslaughter in Jackson's death, which was caused by a fatal overdose on the drug propofol.

Dr. Sanjay Gupta takes American Morning inside of the operating room to demonstrate how propofol works and to explain how the drug is used.