Families are falling apart much more often today. Parents all too often put their whims of the moment ahead of their children, and even ahead of their own long-range interests as adults. Many parents do not watch their children carefully. They own guns and leave them in places where children can reach them. Even in families with more intelligence, parents typically take on too much, are always in a rush, and frequently don't provide the intellectual, moral and psychological guidance their children need.
Morality is on the decline.
Modern America is not immoral so much as amoral. It's conventional wisdom, by now, that there is no right or wrong. Today, children who feel like being violent need not fear consequences for their actions. Malevolent movies and television shows with gratuitous violence undoubtedly awaken violent impulses in children already developing such tendencies. Crumbling inner cities, created by the Great Society welfare state, along with government economic controls stifling inner city growth lead to hordes of bored and angry young people traveling the streets in packs.