Violence is contagious among members of Italian mafia groups, study shows
Violence spreads in a contagious way like a disease among members of the Italian mafia, a new study shows.
Researchers have found committing violent acts with others increases the likelihood people in these groups will go on to carry out more violent offences in the future.
The analysis of the criminal careers of organised crime offenders shows previous violence has a “persistent and long-lasting” impact on their behaviour.
Prior violent co-offending has a greater impact than prior violent solo offending on the probability of future violence. Prior violent co-offending increases the probability ...








