Murray Lawyer: Coroner Did Bad Investigative Work

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Day eight of the Michael Jackson death trial of Dr. Conrad Murray, with Murray's defense attorney accusing an L.A. County Coroner investigator of making "a substantial number of mistakes in this case."

In the morning, L.A. County Coroner investigator Elissa Fleak took the stand and faced a grilling by Dr. Murray's defense attorney Ed Chernoff, who accused her of performing "bad investigative work," alleging she moved evidence, had inconsistencies in her notes and report, confused a needle with a catheter, did not test a juice bottle on the night stand and left her fingerprints on evidence.

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Interestingly, of the unusually large amount of drug bottles, vials and lotions retrieved from Jackson's bedroom and night stand, including over 10 bottles of propofol and "a jug of urine," Jackson's fingerprints were not said to be found on any of the vials or syringes, and technicians found only a single fingerprint -- matching Murray's index finger -- on a propofol vial removed from an intravenous stand.

The prosecution is building a case to prove that Dr. Murray gave Jackson a lethal dose of the anesthetic propofol at home, while the defense alleges that Jackson self-administered the lethal dose.

Paramedic: Murray Never Mentioned Use of Propofol

In the afternoon, L.A. County Coroner toxicologist Dan Anderson broke down the drugs present in Jackson's system following an autopsy.

In his testimony, Anderson claimed that Jackson showed no signs of opiates or the painkiller Demerol in his system, but significant amounts of Propofol, Lidocaine and Lorazepam were discovered. He went on to disclose that the traces of Lorazepam were found at the high therapeutic level, but didn't describe the amount of Propofol found.

If convicted, the 58-year-old Murray faces a maximum of four years in jail and the loss of his medical license.

Stay tuned to ET for continuing coverage of the Jackson death trial.