“So, no good news about the identity of the sender.” “I didn’t say that,” she clipped as she walked over to the screen. “I said there was no usable DNA to run.” “Why do I have the feeling that a ‘but’ is coming?” Isla grinned. “Because I’m bloody brilliant.” She pointed to a speck that was isolated on the screen, and circled it with a digital pen. “Your suspect appears to be an avid tea drinker.”

