What are the three parties involved in establishing third-party liability against probation officers?

The correct answer identifies the three parties involved in establishing third-party liability against probation officers as the probation officer, the probationer, and the victim.

This relationship is essential in understanding the legal responsibilities and potential liabilities that probation officers have regarding the actions of the probationers they supervise. The probation officer holds a duty of care to the victim, which means they must take reasonable steps to prevent harm that could arise from the probationer's behavior.

The probationer is central to this relationship as their actions can directly impact a victim and can lead to liability if it can be shown that the probation officer failed to fulfill their supervisory role adequately. If a victim is harmed due to the probationer's misconduct, the victim could potentially sue the probation officer if negligence can be demonstrated, establishing the concept of third-party liability.

The other combinations of parties do not encapsulate this legal relationship as effectively. For example, including law enforcement or judges does not directly pertain to the specific liability a probation officer has in terms of overseeing a probationer and protecting victims, which is critical in assessing third-party liability in this context.