If your studies have to be unbiased, you are screwed. all of them are done by humans. Humans who care enough about something to study it are biased by definition, and anyone claiming lack of bias is a lair and/or a fool. Double for news anchors.
I took several classes on crime statistics and reporting for my bachelors (law & justice/ Prelaw), and the main point that all of the classes made is that crime stats can't really be compared, because the way they are gathered, compared, compiled and defined vary so much that the UCR is pretty much meaningless, as are most of the other major r