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Michael Jackson doctor Conrad Murray told police he took all possible precautions

Dr. Conrad Murray listens to toxicology testimony during his trial in the death of pop star Michael Jackson in Los Angeles, Thursday, Oct. 6, 2011. AP Photo/Mario Anzuoni, Pool

(CBS/AP) LOS ANGELES - The doctor charged in Michael Jackson's death tells detectives in a recorded interview that he took all possible precautions for the singer's safety before giving him a powerful anesthetic.

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Dr. Conrad Murray is heard telling the detectives that he kept oxygen nearby and a fingertip monitor to check the singer's oxygen saturation level.

The tape of Murray's interview by police, two days after Jackson died in June 2009, is being played for jurors by the prosecution on the 9th day of Murray's involuntary manslaughter trial for Jackson's death.

Prosecutors contend Murray was reckless and the equipment wasn't adequate to properly monitor Jackson while he was sedated with the anesthetic propofol.

The doctor tells detectives that he was giving the singer propofol daily for two months except for three days before Jackson's death to try to wean the singer off the drug.

Also on the tape, Murray is heard telling detectives that Jackson had trouble sleeping, saying the the pop superstar was "not able to sleep naturally."

Murray told the police that he stayed at Jackson's home every night except for Sundays. He also details actions after the singer returned home from rehearsal for his comeback concerts.

Murray told the detectives that he rubbed skin cream on the singer's back and then gave him a small dose of the sedative lorazepam, but that Jackson remained awake. Murray then says he gave Jackson another sedative, Versed, but the singer was still wide awake.

Complete coverage of the Conrad Murray - Michael Jackson case on CBS News

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