Testimony to Resume in Trial of Dr. Conrad Murray

Dr. Conrad Murray wipes his eyes as his attorney J. Michael Flanagan (R) watches in this frame grab from pool video during opening arguments in Murray's trial in the death of pop star Michael Jackson in Los Angeles September 27, 2011. REUTERS/CNN/Pool (UNITED STATES - Tags: CRIME LAW ENTERTAINMENT)

A defense attorney is continuing his cross-examination of a coroner's toxicologist who has told jurors autopsy tests found a powerful anesthetic throughout Michael Jackson's body.

Toxicologist Dan Anderson's testimony is expected to conclude Friday morning and prosecutors have told a judge they plan to play a recording of Dr. Conrad Murray's interview with police two days after Jackson's death.

Murray, who has pleaded not guilty to involuntary manslaughter, revealed during the interview that he had been giving Jackson doses of the anesthetic propofol to try to help him sleep. The disclosure led investigators to search Jackson's mansion again, where they found bags containing several vials of the drug.

The recording has been summarized by detectives in court filings, but has never been played in public.