One who studies crime, criminals, and criminal behavior is called a?

That is called a criminologist!

Hope this helped!

the us constitution is a living document, meaning that it can be changed over time as the country changes.

the right answer is the end of world war ii

after the end of a global wwii all the nations involved, in an attempt to create an organization to maintain world peace. this agreement would work settling international disputes via negotiation and arbitration instead of leading the issues escalate to another war.