First Medical Responders To Testify Friday In Michael Jackson Death Case

LOS ANGELES (CBS) — Critical testimony continued Friday in the Michael Jackson death case as the emergency medical technicians who were first to arrive at Jackson's home take the stand.

Jackson's personal chef, Kai Chase, testified Thursday that the King of Pop's rented Holmby Hills mansion was filled with music as his three happy children played together just an hour before his death on June 25, 2009.

She says she was making a spinach cobb salad for Jackson in the kitchen before Murray summoned her to call security, as well as Jackson's son, Prince, for help.

Bodyguard Alberto Alvarez says he led Prince and Jackson's daughter, Paris, out of the bedroom before he helped Murray scoop vials of medicine and IV bags into other bags.

Prosecutors argue Murray was more interested in covering up a crime than saving the dying pop star.

The defense challenges Alvarez's timeline, as well as his motivations, because they say it took him two months to tell authorities about bagging up the medical supplies.

Alvarez maintains that he fielded and rejected as many as 30 deals, including one that would have paid him $500,000.

Prosecutors claim Murray gave Jackson the powerful sedative propofol and failed to monitor him, leaving the singer's bedroom for 45 minutes to make phone calls and send e-mails.

Murray has been charged with involuntary manslaughter.