I was astonished to learn that in the USA society, there is revenge like this

Paul young would like to revenge on the death of his wife. And finally he find a detective which comes from the black society. And I was astonished to learn that in the USA it can just cost 10 grand to take one's life away. And in China it may cost several millions. I am not sure as it is more secure in China. Please. People do not dare to commit a crime, not to mention to kill somebody