Burglars aren't stupid. They make a living doing bad things to people's houses and belongings, and they sell them for about one tenth of what they're worth. So they have to do three or four a day.
A size 8, size 9 boot, one kick and this door comes open. If you have metal frames and she does have a two-inch dead bolt, you'll have to kick in four or five times, make a lot of noise to come in on a metal frame.