Chicago Mayor Richard Daley is demanding accountability from police supervisors who were on duty when a 14-year-old boy allegedly impersonated a police officer and went on patrol for several hours.

Calling the episode a "sad comment," Daley said Tuesday that sergeants and field lieutenants are paid to manage and have the responsibility to answer questions about how a teen could do this.

Daley says police Superintendent Jody Weis will determine where the desk sergeant, the field lieutenant and the captain on duty were and tell the public what happened and why.

The 14-year-old allegedly donned a uniform and managed to go on patrol. He's pleaded not guilty to impersonating an officer.

The boy, who won't be named because of his age, was discovered after he returned to the station and a sergeant became suspicious.

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