According to a police affidavit, Michael Jackson's personal physician waited 82 minutes to call 911 after Jackson stopped breathing on the fateful morning of June 25. Dr. Conrad Murray told police he treated Jackson for chronic insomnia for 6 months.
On the night of June 25th, Dr. Murray said he administered the benzodiazepine sedatives Ativan and Versed by IV push to Jackson all night long to help him sleep.
When those meds failed to induce sleep, Dr. Murray said he administered Propofol 25mg (by IV push?) to Jackson at 10:40 a.m. Murray then left the room for 2 minutes and returned to find Jackson not breathing and unresponsive.
If the police have a case against Dr. Murray, 57, it will be based on the length of time it took for him to seek emergency medical assistance for Jackson after he found him unresponsive. But there doesn't seem to be enough of a case for manslaughter. Gross medical negligence, yes, but it will be very difficult for the prosecutor's office to convince a jury that 25mg of the sedative Propofol (Diprivan) killed Jackson.
Theoretically, 25mg of Propofol could kill a patient whose respirations and blood pressure were already decreased. But attorneys and juries don't deal in theories.