An Offender Is Being Considered for Electronic Monitoring

An offender is being considered for electronic monitoring. The criminal justice actors must consider whether this system should be used as a "front end" or "back end" program. What do "front end" and "back end" refer to?

A) the stage of the correctional process at which the strategy is used
B) how the device is mounted onto the offender's body
C) whether the monitoring company can see offenders as they leave their home
D) whether the GPS system can monitor offenders within a specific distance around their home