The Deduction That Was Too Good Meitantei Conan : Season 1 Episode 207

Kogoro is carried by Ran and accompanied by Conan one night picking him up from a bar. While walking they witness a fight in an apartment. The next day a murder occurs. One of the man who's heard arguing comes to Moore for help to prove his innocence. The man has made good suggestions on where to find evidence which are in fact too good.