Being a victim of crime at the age of 12 is one of the most powerful indicators that a child will offend at 15. Likewise, offending at age 12 brings a strong possibility of victimisation at 15. One explanation of this link is that young offenders tend to group together and commit offences on each other. Another is that young people who get into risky situations together - such as late-night clubs or amusement arcades - end up both committing offences and being victims of crime. A third point is that personality traits such as being impulsive and taking risks lead both to offending and victimisation.
karma's a bitch
Young offenders and victims of crime are often the same people