You think I enjoy lying to my family about my true involvement with the case in Inaba? Or to the police force itself? It's not a matter of whether or not they're capable of defending themselves... it's a matter of containing sensitive information and preventing it from leaking to the suspect. It's no different with this situation! Can you trust your father not to let certain things slip?

Then who else objected? As far as I know, Conan-kun, Kid, and Hattori-san all agreed that it was in my best interest to know.