Theron decided to install a nanny cam, but nothing could have prepared her for what she saw.
The footage shows Hoeses carrying the crying baby by one arm to where her crib is on the floor, then throwing her face first in to the crib.
She then returns and grabs the infant by her leg and carries her from the room by one leg.
“When I saw what she had done to Laila, I cried and cried. I held my baby girl close and kept telling her I was so sorry,” she told the Daily Mail.
“I had so many emotions – betrayed, and a complete failure as a mum. It was the worst feeling I have ever had and never ever want another mother to have to go through that.”