My grand kids need help the lady that live next door to them has there mother cat and one of her kitten?

the lady that live next to my daughter has two of my daughter cats lock up in her house my young granddaughter call for the cats the mother cat she try to get out the window my daughter been over to the lady house to get her cats back but the lady hide from her this woman don't like animal or kids on her property when my daughter land lady live next to this lady she still the kids bike I told my older granddaughter to call the police and the news people get them in on it anyone else ever had a problem like this .