sentences:  There has been some controversy over the use of the PCL-R by UK prison and secure psychiatric services, including its role in the government's new administrative category of 'Dangerous and Severe Personality Disorder' (a separate older administrative category of 'psychopathic disorder' in the Mental Health Act was abolished in 2007).One leading forensic psychologist, while Deputy Chief at the Ministry of Justice, has argued that it has not lived up to claims that it could identify those who would not benefit from current treatments or those most likely to violently reoffend.A study by one of Hare's students, Randy Kropp, on a group of prisoners found that among those who had low scores on the PCL-R, about 20 to 25 percent would be re-convicted within four or five years, while in the "high group", that risk was about 80 percent.