Investigators say surveillance video from a beauty supply store in New Haven shows the suspect, Lowpel Davis, walking out of the store with a $15 wig.
The 70-year-old owner and his son followed her down the street.
The son say Davis repeatedly hit him and even bit off a chunk of his arm and spit it back in his face.
Police say she was still kicking and screaming when they arrived.
Davis faces numerous charges.
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