Teenagers arguing and fighting in a baseball field, Los Angeles, California, USA

A group work specialist reacting when teenage boys from troubled families arguing and fighting in a baseball field, Los Angeles, California, USA. 1956. Boy with a Knife - Jerry, an "at-risk" young man, uses his knife as an "equalizer" to solve his frustrations stemming from his unhappy home, which is dominated by his stepmother. A group worker reaches Jerry and helps him to transcend his anger. Delinquency Prevention is the broad term for all efforts aimed at preventing youth from becoming involved in criminal, or other antisocial, activity. Increasingly, governments are recognizing the importance of allocating resources for the prevention of delinquency.