Answer: Social workers are professionals who work in favor of the society.
Step-by-step explanation:
The social workers think and act in accordance with need and betterment of the society. According to the given situation, the social worker cannot keep the information about the client related to the plantation of bomb as this information is against the betterment of the society and it can be against the safety and security of nation's citizens. This attempt could be responsible for mass killing and cannot be in favor of society so social worker must reveal this information to the criminal justice department.