Final answer:
The Custodial Warden is responsible for managing a correctional institution and overseeing federal prisoners, which makes Option 2 the correct answer.
Step-by-step explanation:
The student asks who is responsible for the Correctional Institution (CI) or Correctional Warden (CW) of a federal prisoner. Within the criminal justice system, the responsible party for managing a correctional institution, including federal prisons, is the Custodial Warden (Option 2). The Custodial Warden manages the overall operation of the prison facility and ensures the safety, security, and proper conduct within the institution. They do not typically engage in criminal investigations or activities that fall under the purview of criminal investigators or court investigators.