sentences:  The PCL-R is sometimes used to assess risk of sexual (re)offending, with mixed results.Since psychopaths frequently cause harm through their actions, it is assumed that they are not emotionally attached to the people they harm; however, according to the PCL-R checklist, psychopaths are also careless in the way they treat themselves.They frequently fail to alter their behavior in a way that would prevent them from enduring future discomfort.