There is no doubt that various experts can give us many theories as to the causes of , including one's economic background, substance abuse, delinquent peer groups, repeated exposure to violence, increased availability of firearms and media violence, however, I feel that the number one cause of is the breakdown of families, including lack of parental control over children. It is ironic in America, today, one must have a driver's license to operate a vehicle, a permit to own a gun and even a license to own a dog, but one does not have to have ....