straight-edged rib fractures that I knew were caused by blunt trauma.”
“True enough. But did any look that clean? Kick up the magnification.”
Corcoran did as I’d suggested, then repositioned the light source.
Several seconds passed. Then, “Are those what I think they are?”
“Striations. Now look at the fresh break on the ulna. Not the old healed fracture.”
Corcoran swapped bones and squinted into the eyepiece.
“Cut marks?” Ryan mouthed over Corcoran’s hunched back.
I nodded.
Fluorescent tubes hummed overhead. Muted footsteps clicked by in the hall.
Finally, Corcoran looked up.
“Chop to the ulna, stab to the rib. Ulna chop’s probably defensive.”
Corcoran referred to trauma caused when knifing victims throw up hands or arms to ward off attack.
“I found knife stab wounds on at least four ribs.”
I held the other rib so Corcoran and Ryan could see the anterior, or chest, portion. A four-inch crack ran longitudinally along its surface.
Ryan whistled softly. “That’s one hell of a weapon.”
“Don’t be fooled by appearances,” I said. “Since fractures propagate with the grain of the bone, the length of a crack doesn’t necessarily reflect the size of the blade that made it. But there is an indicator.”
I pointed to a two-inch stretch within the longer defect. “Under magnification this portion appears very clean-edged. There’s also a subtle squaring at one end. Together, those features suggest a two-inch-wide, single-edged blade.”
Ryan started to speak. I held up a hand.
“When the rib cage is rearticulated, no cut extends between adjacent ribs. However, a cut on R-seven aligns perfectly with a square-edged defect on R-six. That pattern, also, suggests a single-edged blade.”
“Striations mean serration,” Corcoran said.
I nodded. “I’d venture the weapon has a single-edged, serrated, two-inch blade.”
“Like a large steak knife,” Ryan said.
“You think Lassie was dead when he went into the quarry,” Corcoran said.
“In my opinion, the most likely scenario is that he was stabbed to death, then his body was dumped.”
Murdered.
The word rolled in my head like thunder at the beach.
How to tell Cukura Kundze?
11
Oh God.