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MULBERRY, Florida -- Polk County deputies have arrested the second suspect in a home invasion that resulted in the death of a 70-year-old man.

Willie Sheppard, 48, is charged with first degree murder and armed burglary.

Deputies say he and31-year-old Walter Morrison allegedly beat and robbed three victims on September 22. According to investigators, Sheppard and Morrison discovered the residents had cash in the home and agreed to rob them together.

One of the victims, 70-year-old Garciano Hernandez,succumbed to his injuries and died two days later.