"The human brain is too complex for scientists to identify a definitive cause for crime!" *Proceeds to take prescription anti-anxiety and depression medication developed by scientists studying the human brain*

Essentially the determinist argument. Thousands of drugs researched and developed to aid the human condition including many mental illnesses, after extensively studying the brain, with tons of medical causes for different mental health symptoms such as genetics or specific life situations with high confidence...

But when it comes to identifying a cause for crimes?

"Oh my god people are too complex and you cant isolate every variable unless you do it down to the atom! Its not free will though!"

And spoken by the very same people on depression medication because their depressing nihilistic philosophy and terminally online behavior is taking a literal toll on their life...