The next day , Nakatani 's mother in law is seemingly killed by Musashi when his teeth marks are found on her throat .
Conan and Ran disclose they believe she did something to upset the dog , causing her to leave .
The next day , Nakatani 's mother in law is seemingly killed by Musashi when Conan 's teeth marks are found on her throat .
Conan and Ran disclose they believe she did something to upset the dog , causing her to leave .