Expert Testimony Accuses Murray of Fatal Misstep

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Dr. Conrad Murray's claim that he gave Michael Jackson propofol as a sleep aid was reportedly criticized in court on Thursday as a misuse of the drug.

According to the Associated Press, UCLA sleep expert Dr. Nader Kamanger listed Murray's failure to diagnose the cause of Jackson's insomnia as a crucial error, amongst other blunders.

MORE: Coroner: No Evidence Jackson Gave Self Propofol

In addition, the AP reports that Kamanger described Jackson's death as "a foreseeable complication," stemming from the variety of drugs left in the singer's bedroom the day of his death.

The news source reports that defense attorney J. Michael Flanagan then cross-examined Kamanger about Jackson's insomnia.

The trial will resume on Monday after Thursday's recess. Prosecutors are expected to rest their case after testimony from propofol expert Dr. Steven Shafer, according the AP.

Shafer reportedly helped form the guidelines for proper usage of the powerful sedative.

MORE: Dr. Conrad Murray's Police Interview

Murray has pleaded not guilty to involuntary manslaughter but he could face up to four years in prison if convicted.