Ep. 142: The Night Before the Wedding Locked Room Case Part 2 Investigation Continues
Aired on April 26, 1999

142
Harley accuses the butler of the crime, leading to his arrest despite his protests. Later, an unidentified individual attempts to hide the murder weapon but is intercepted by Harley and Conan. The duo explains that the false accusation was a strategy to draw out the real killer. The culprit admits to the homicide, stating he killed the victim because the man intended to cancel the wedding and separate him from his beloved. This revelation exposes the true motive behind the murder, concluding the immediate investigation into the locked room incident.
Episodes
- Ep. 138 · The Final Screening Murder Case Part One
- Ep. 139 · Conan reveals Minoru as the killer using projector alibi details in the final screening case.
- Ep. 140 · Amy Sends SOS Message While Ill and a Burglar Invades Her Home
- Ep. 141 · Locked Room Murder at the Mansion Before the Wedding
- Ep. 142 · The Night Before the Wedding Locked Room Case Part 2 Investigation Continues
- Ep. 143 · Suspicious astronomical observation leads to a fall at the observatory involving a Star Pioneer award winner.
- Ep. 144 · Conan investigates a murder on the North Star Express resembling a stolen novel.
- Ep. 145 · Yukiko Kudo Acts as Decoy to Expose Toshinori Kaetsu as the Killer
- Ep. 146 · Detective Boys investigate a bank robbery that leads to a murder at the victim's home