Nowadays, parents with kids will continue to work. They will hire babysitter or nanny to take care of their child. If the babysitter is the person u know, it will be much better. However, sometimes we cannot tell how good is a person just from the outlook. Maybe they will treat your child badly when you are not around.
Parents who hire the nanny or babysitter should install the so call nanny camera inside the house in order to watch over their kids. With the nanny camera, nanny or babysitter will not do something bad to the children, since they know someone is watching over them.
Normally, parents will not want to install the nanny camera if they have a choice. From newspaper, we can see so many cases that the nanny is abusing the kids and treating them badly. This is the only way to watch over the children and make sure they are safe under the care of babysitter.