21.   Despite a history of violent behavior, Erik Chapman was accepted at Park Manor in Brooklyn.

22.   Dr. Phillips said there was overwhelming evidence that repeated exposure to violent images increased the risk of violent behavior.

23.   Even the Weather Channel is checking in with its own unique tie-in, with a study of how heat and other weather conditions can ignite violent behavior.

24.   Ever since the shootings at Columbine, Republicans have fixed their attention not on guns but on the cultural realities that may be influencing violent behavior among children.

25.   Experts say that there have been few studies so far done on whether video games contribute to violent behavior and that the answer is unclear.

26.   Extended use, he said, is often accompanied by hallucinations and violent behavior.

27.   Families had been interviewed and a random selection of young people had filled out detailed questionnaires that asked about violent behavior.

28.   For example, a teen-ager who had been a crime victim was more likely to be associated with violent behavior.

29.   For years, specialists have suggested that watching television can lead to violent behavior.

30.   He asked if Maturino Resendiz could be using schizophrenia as a cover for violent anti-social behavior and really did know right from wrong.