BUTCHER COULDN'T HACK IT

G-rated producer's son takes coward's way out after dismembering family

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PRODUCER Sam Haskell is known for clean-cut family programs, but cops say his son Samuel Haskell IV was a bloodthirsty monster who hacked his wife and her parents into pieces and then took the cowardly way out — killing himself before standing trial.

The 37-year-old fiend was found to have committed suicide in his L.A. cell just two days before a July 14 hearing, where prosecutors expected the father of three to plead guilty to the grisly murders of his wife, Mei Li, 37, her father, Gaoshan Li, 72, and mother, Yanxiang Wang, 64.

The remains of Yanxiang Wang and Gaoshan Li have not been found