Did Jackson kill himself?

The man accused of causing Michael Jackson's death is expected to return to court this week.

Dr Conrad Murray faces a charge of involuntary manslaughter.

The prosecution will set out its evidence against him at a pre-trial hearing, which could take place as early as today. It's understood Dr Murray's lawyers will argue that Jackson injected himself with a powerful cocktail of drugs which caused his death.

Dr. Conrad Murray was charged with involuntary manslaughter last February over Jackson's death on June 25, 2009 at age 50 from drug-induced respiratory arrest at his Beverly Hills mansion.

A prosecutor claims defense lawyers will say Jackson woke up and injected himself with an overdose while Murray was out of the room.

In the pre-trial hearing starting Tuesday, Los Angeles Superior Court Judge Michael Pastor will decide if there is enough evidence for Murray to undergo a full trial.

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