C140 A Living Person Taking the Gallbladder

It turned out that Ms Lee was the one who killed him. Since she had taken the gall out, wouldn't she be discovered when checking the corpse? Then her means should be able to see wrongly.

"Ms Lee, if you took Grandma Zhang's gall out, there should be knife marks on her corpse. If there are no traces, it wouldn't be able to be taken out."

I think if they were to examine the corpse more seriously