Dark Mark. Death Eater. He-Who-Must-Not-Be-Named. Muggle. Muggle-born (with the damn hyphen, though I'll give you this one; not many people remember the hyphen, myself included). Mudblood.
Oh, wait. You apparently do know how to use the shift key, 'cause you capitalized forensic scientist, which does not need to be capitalized.
And can't you even spell the freaking names right? Bellatrix Lestrange. Don't forget the second 'L'.
Motorcycle is one word. They're called "compound words". Something I know I, at least, learned in before second grade.
And do you even know how to write a decent crossover?! If they're in the Harry Potter universe, they're not going to be able to read the books. It is possible to do. Believe me, I know--I've done it. And I think I pretty much left both (or all three) canons intact.
*sigh* Stop. Just... stop, okay?
Crankiness and growling,