Detective Conan

The Loan Company President's Murder Case (3x21)

Air date: Sep 08, 1997

While Kogoro plays Mahjong with his friends, they are missing one, a Loan Company President, who never misses Mahjong. They go to his office and find him dead. The poison was only found on the victim's thumb, money, and door handle, but no where else in the office. The only possible suspects are the three employees.