PEARL RIVER, New York (WABC) -- Surveillance video may be the key piece of evidence against a home health aide in Rockland County arrested for allegedly abusing a child in her care.
Police say 21-year-old Kathleen Anne Keffner was caught on a home's security video physically abusing a child.
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Police say the child is under age 10.
The incident allegedly happened inside a home in Pearl River.
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The child's mother contacted police after suspecting abuse.