I read an autobiography of a forensics pathologist recently and he spent a lot of time obsessing about the shape of wounds (to the point of upsetting his family

I read an autobiography of a forensics pathologist recently and he spent a lot of time obsessing about the shape of wounds (to the point of upsetting his family by stabbing their Sunday roasts so he could inspect the resulting wounds). [The book is "Unnatural Causes" by Dr Richard Shepherd - strongly recommended even if it is just a wee bit gruesome in places.]