After solving clues Takagi leaves suddenly and Conan reveals who the kidnapper is. Just then, the boy returns home unharmed, making them believe the culprit will try to make a run for it. After arriving to his house it is revealed that a winning lottery ticket was returned to the culprit in his mailbox, making him release his friends had no intention of stealing from him and the guilt of his crime caused him to suicide. Takagi manages to save his life while Sato yells at him for the danger he could have been in. (thetvdb.com)