A South Bay man accused in the deadly stabbing of his teenage ex-girlfriend is scheduled to enter a plea Tuesday.

Police said Martin Mendoza killed 18-year-old Marissa DiNapoli two months ago in Morgan Hill.

Her body was found on July 2 under a bridge near Anderson Lake County Park.

Investigators said the suspect has a history of domestic violence and was seen together with the victim in the days before her death.

Mendoza is facing first degree murder charges.

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