The episode centers on a man named , who visits the police station claiming he committed a murder. However, Conan suspects the confession is a cover for a more complex scheme. The Culprit's Tactic
: Katsuki lied about the timing of the murder to create a false alibi. Detective Conan Episode 1058
: He fabricated a "Culprit X" to mislead investigators into thinking a second person was involved. The episode centers on a man named ,
: The victim’s door lock was changed on the morning of the murder, meaning Katsuki’s spare key would not have worked at the time he claimed to have entered. Detective Conan Episode 1058