Yellow Alibi Meitantei Conan : Season 1 Episode 480

A hostess named Hiroko Inoue is found dead in her home by Osamu Kitzuka, a colleague of Inoue's to be husband Akira Taokaoka. Kitzuka had a planned meeting with Taokaoka on that day and was the reason he found the body. As Kogoro and Conan investigate, the police conclude it to be a random burglary after Taokaoka's alibi proves he was at Fukushima Prefecture during the time of Inoue's death.