got the maximum sentence, four years in prison for involuntary manslaughter and as ben tracy reports, he also got a sterne. >> dr. murray became involved in a cycle of horrible medicine. >> reporter: in a blistering rebuke, judge michael pastor called dr. conrad murray's actions a disgrace to his profession, giving michael jackson a powerful anesthetic propofol in exchange for $150,000 per month. >> some may feel this was a medical malpractice case. it wasn't. it was and is a criminal homicide case. >> reporter: the prosecutor argued murray was so reckless, he deserved the maximum sentence. >> the defendant was playing russian roulette with michael jackson's life every single night and conrad murray was administering propofol in that reckless, obscene manner. >> i hurt, you know? i hurt. >> reporter: the judge even implied that dr. murray made this recording of a drugged michael jackson so he could later blackmail the singer. >> that tape recording was dr. murray's insurance policy. it was designed to record his patient surreptitiously at that patient's most vulnerable point. >> reporter: pastor says he