I dont understand..what is so wrong in all this ?????
In Islamic law.... victims of crime are recognized as having rights. The victim has a say in how the criminal is to be punished. In general, Islamic law calls for murderers to face the death penalty. However, the victim's heirs may choose to excuse the murderer from the death penalty in exchange for monetary damages. The murderer will still be sentenced by a judge, possibly to a lengthy prison term, but the death penalty will be taken off the table.
This principle is known as Diyyah, which is unfortunately known in English as "blood money." It is more appropriately referred to as "victim's compensation." While most commonly associated with death penalty cases, Diyyah payments can also be made for lesser crimes, and for other acts of negligence (ex. falling asleep at the wheel of a car and causing an accident).