Frost approached her desk with a bundle of A4 paper. She held it in her hand as she walked, holding it up like a prize. As she placed it on the desk for the waiting detective to see, she began to explain the jargon printed in black:

"It's definitely James Lockedon's blood. Look here. DNA fingerprinting makes it virtually impossible for this sample to have come from someone else. One in a billion, literally. Your instincts were right, but we still need to find him."

"Is ...