Case Closed: Season 1, Episode 652 - ProjectFreeTV

1 - 652: The Design of Poison and Illusion (Eye)

Heiji explains Kazuha went to Wakamatsu's home in Osaka per the letter's instructions where she finds a disguised person with the word "EYE" carved into the bathroom tiles. The person causes a blackout, sneaks away, and the carved words disappear.