Detective Conan (2011)

Heiji Hattori and the Mystery of the Hidden Locked Room Murder Weapon! The Reasoning Battle of the East and West Detectives (1x9)

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Osakan high school detective Heiji Hattori and his best friend Kazuha Toyama are on their way to visit Teitan High School when they witness a thief steal a purse. Heiji chases after the thief only to run past Shinichi and Ran on their way back from school. They capture the thief only to suddenly hear a woman scream in a nearby house. When owner Yoshino Fujimaru gets home and lets them in, the three are surprised to find Hideko Nakajima dead on a couch with a shard of glass protruding from her neck.