Jail is very important building in our country. It is a place where bad people live for a long time or not so long. But it is some kind of home for them.
If you hurt someone physically or ruin other people house, or stole something you could be in jail.
It is very important to criminals were in this place so that they cannot hurt anyone else. Most of people are sure that jail can make criminals better. Of course it is. Because the rules of jail can change people mind.
Some criminals are dying in prison.