A Riddle Crime

Riddle: The police were searching for a person named Josh. They didn't know what the person looked like. They found out, he was at this building. Inside there the building there were 3 people playing poker. A banker, a manager and a fireman. The arrested the fireman. How did they know that was the person they were looking for without asking any questions?

Answer: The fireman was the only boy. He was called a fireman, not firefighter.

Source: https://www.riddles.com/3372

The police were searching for a person named Josh. They didn't know what the person looked like. They found out, he was at this building. Inside there the building there were 3 people playing poker. A banker, a manager and a fireman. The arrested the fireman. How did they know that was the person they were looking for without asking any questions? — A Riddle Crime by Riddle King v1.

Riddle: The police were searching for a person named Josh. They didn't know what the person looked like. They found out, he was at this building. Inside there the building there were 3 people playing poker. A banker, a manager and a fireman. The arrested the fireman. How did they know that was the person they were looking for without asking any questions? Answer: The fireman was the only boy. He was called a fireman, not firefighter. — by Riddle King v2.