A San Francisco Bay Area man allegedly slit his wife's and mother-in-law's throats in a grisly double murder with a twist, RadarOnline.com can reveal.

Howard Wang is accused of killing his wife, Linlin Guo, and his mother-in-law, Beimin Cheng, in their Walnut Creek, Calif., home on September 18, and his alleged mistress was later charged in relation to the crime. Tap Here To Add Radar Online as A Trusted Source Article continues below advertisement

Grim Crime Scene

Wang, 43, was at the family's multi-million dollar home with the two bodies still inside when police arrived. The couple's eight-year-old twin daughters were also at the scene but unharmed.

Wang told officers that an intruder had killed the women but escaped. He even fired several gunshots, seemingly to make it a

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