In comparing 2003 to 2004, finding highlights show that: (1) the number of registered frequent offenders has grown, especially for juvenile frequent offenders; (2) the majority of frequent offenders were of foreign heritage; (3) frequent offenders who were persecuted both in 2003 and 2004, had the most problems in varying areas, like addiction and housing; (4) available cell capacity for the Frequent Offenders Institution Order was for 60 percent occupied after 2 years; (5) more than half of the juvenile frequent offenders were from broken homes; (6) the recidivism rate after 1 year of the extremely active adult frequent offenders (EAAFOs) of 2004 was significantly lower than the recidivism of the EAAFOs of 2003, and the recidivism of JFO was fairly constant; and (7) 70 percent of the extremely active adult frequent offenders have been in contact with rehabilitation programs for substance dependency. The Frequent Offender Monitor is a collection point for national information on frequent offenders and their approach. Based on two cohorts, 2003 and 2004, this report provides trend data on frequent offenders, both juveniles and adults. Figures, tables, references