NBC NATIONAL NEWS —
Jurors heard more of the dramatic final moments of Michael Jackson's life during day three of the Conrad Murray trial.
Doctor Murray is on trial for involuntary manslaughter and negligence in the death of Jackson, charges he vigorously denies.
After three days of emotional testimony, Jackson family members left the court the house surrounded by supportive fans.
Meanwhile, inside the court room, there was compelling testimony from a key witness for the prosecution.
Security guard Alberto Alvarez recalled those critical minutes in Jackson's bedroom on June 25th, 2009, all while Jackson's children watched.
Alberto Alverez said he was asked to call 911, but not before he said Conrad Murray told him to help collect drug vials and an IV bag in the room.
"When I dropped the plastic bag in the brown bag, he then pointed to the IV stand and said now grab that bag and put it in the blue bag," said Alvarez.
Later, Jackson's personal chef about the fateful day.
Kai chase said she was preparing Jackson's lunch when Dr. Murray came running down the stairs in a panic.