Because they could cause harm to others
Answer:
In the shooting scene, you'd be able to collect the shell of the bullet and that would be one step to find out what type of gun the perpetrator used. You could go through nearby stores and look through their CCTV camera and find out what kind of car it was and maybe even catch a glimpse of the perpetrators face. However if the shooting was in a residential area you could go door to door looking for witnesses. To see if anybody heard or saw anything.
Answer:
There are several attempts made to stop domestic violence, but it has become a very common practice these days due to the following reasons: There are differences or changes in the nature and range of violence, the women subjected to and it is a major challenge for the development of women across the world.