What is violent crime?
Violent crime is when someone is doing physical abuse done to anybody, hitting someone with a weapon or threatening to attack. Reasons might be that for decades, researchers have conducted studies to find out whether violent video games lead to problems such as aggressiveness and lack at school
At school you and your friends may call your selves a gang but you and your friends are much more innocent than a real gang. A real gang is a group of people(adults or teenagers or maybe both!)meet in a place at night and plan some crimes
Possession of a knife carries up to 5 years in prison e even if you didn't use it . If you are caught with a knife it doesn't matter if you were using it for your own protection or someone else's you will be arrested.