Does anyone know any murder case that wasn’t solved because the police didn’t do anything ( corruption by the police )

An economic system where all or most businesses are owned by government

The people of are overwhelmingly arab but are divided by religion.

What would be the most relevant question to ask to find out why tutankhamen died? what was tutankhamen’s age when he died? was a doctor with tutankhamen at his death? why was tutankhamen mummified after his death? did tutankhamen’s body have evidence of disease?