This could be a sequel to A deadly gentler touch and was inspired by the word of the day at Dictionary.com
No, they don't take their job seriously enough, sometimes she is sure they only think about it as only a job and not really a life choice and a family tradition.
That would explain why so many got arrested and then talked.
That would explain why she had to come to Palermo from her spotless home in Tokyo.
That would explain why she had to order this kind of clean up operation and to be present to be sure about it being done right.
That would explain that horrible vinous smell mixed with the blood one.