Bergen County police announced the arrest of Abena Yeboah.READ MORE: David Gilbert, Man Convicted In Deadly 1981 Bank Heist In Rockland County, Granted Parole
Police said they were told on July 8 about the alleged abuse.READ MORE: New Jersey Fencing Coach Accused Of Sexually Assaulting 2 Teenagers
An investigation determined a Hackensack family hired Yeboah to care for the child, according to police.
Authorities said nanny camera footage showed Yeboah hitting, kicking and yanking the child by the arm.MORE NEWS: What's Causing Record Flooding? Experts Say Missing, Dying Trees Are One Reason
Yeboah was taken into custody the by the NYPD and is awaiting an extradition hearing.