Jo: Dog ate your homework? What's up?
Adam: Okay, check this out. I was processing Olivia Prescott's clothing and I found this weird gray dirt on her blazer, so I ran it through GCMS and I found a high concentration of sodium, potassium, magnesium and chloride, which is, erm... well, it's, eh... it has the same chemical consistency as, uh, Martian soil.
Adam: Soil found on Mars.
Jo: Okay, so I should have Flack send out an APB on what? 5"2', big head, almond-shaped piercing black eyes, last seen leaving Archford Academy in a flying saucer?