LOS ANGELES, Calif. (KTLA) -- Prosecutors presented evidence Thursday that Michael Jackson's fingerprints were not on syringes or drug vials taken from the pop star's house following his death, seemingly discrediting defense arguments that Jackson gave himself a fatal dose of propofol.
But defense attorneys for Dr. Conrad Murray, who is facing manslaughter charges, countered by suggesting that coroner's investigator Elissa Fleak conducted a shoddy examination of the bedroom where Jackson stopped breathing.
Murray admits administering propofol but denies involuntary manslaughter.
His lawyers have argued that Jackson caused his own death by giving himself an extra dose of propofol, mixed with prescription sedatives, without Murray's knowledge
Technicians found only a single fingerprint, matching Murray's index finger, on a vial of propofol.
Fingerprints on another bottle of propofol and two intravenous bags could not be matched to anyone, including Murray, Jackson or the singer's body guards, according to lab results.
And analysts were not able to get fingerprints off some other pieces of evidence, including nine bottles of propofol, a syringe and vials of sedatives.
Defense attorney Ed Chernoff grilled Fleak about the examination of the crime scene.
Chernoff questioned Fleak about the bottle of propofol with Murray's fingerprint being found inside an IV bag at Jackson's bedside.
Fleak said investigators found the propofol bottle and IV bag stashed inside a shopping bag in a closet area four days after Jackson's death.
Fleak admitted that her original notes did not mention finding the propofol bottle inside the IV bag.
That detail was only put into her notes earlier this year, she said.
But Fleak denied Chernoff's suggestion that she changed her findings to make them fit with the story told by security guard Alberto Alvarez, who previously testified that he saw a vial of a drug with a milky substance inside an IV bag. Prosecutors say that vial contained propofol.
Alvarez testified he put the vial and IV bag in a shopping bag at Murray's urging.
Thursday was Fleak's second day on the stand.
On Wednesday, Deputy District Attorney David Walgren covered a table with drug vials and pill bottles taken in Fleak's searches. Among the paraphernalia were 11 bottles of propofol, an oxygen tank and IVs.
Medical supply sales representative Sally Hirschberg testified Wednesday that Murray "raised a red flag" by requesting an infusion IV set to be shipped to a California residence. She instead mailed the supplies to one of Murray's clinics, according to Hirschberg's testimony.
Stephen Marx, the computer analyst who examined Dr. Conrad Murray's iPhone, also took the stand.
Marx testified that he retrieved several emails sent by Murray's assistant regarding "Omar Arnold" -- an alias Jackson allegedly used to secure prescription drugs.
Murray's Defense Team Attacks Crime Scene Investigator's Work
Defense counters by questioning examination of crime scene.
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