Case Closed, Vol. 75: More Moores — Gosho Aoyama

MORE MOORES
Conan and Rachel discover that someone is posing as Detective Moore and doing good deeds…but why? A string of threatening notes left on cars gives Detective Chiba the chance to solve a case alongside his childhood crush, new police-recruit Naeko Miike. And a shocking death at a wedding party reveals a startling secret. But when Conan's investigation of the wedding leads him to an undercover detective working on the same case, he finds himself on the trail of an even bigger mystery…