Originally Posted by DJA
Reckon you are missing what was said.
An ordinary case is not a post-mortem room. Phillips was agreeing with Baxter.
Strongly suspect Phillips was being coy and had a very good idea who Jack the Ripper was.
So you think Phillips was saying "yes, it must have been a post mortem knife, as no ordinary medical case would contain such an instrument" rather than "no ordinary post mortem case would contain such an instrument"?