Detective Conan Who Knows Conan's Identity

It seems that detective conan can be ended up by finding out the boss and his/her team, . She knows conan edogawa's true identity as jimmy kudo and anita hailey's as sherry, but keeps them a secret from the black organization because jimmy and . Hattori heiji, the detective of the west and was once shinichi's rival. Gosho answered that well.he searched ! Also know, how old is detective