The Fallen Scientist (And Last Week's Solution)
Solution: (1) Lilly’s sister, Anne Kincaid. (2) Lilly and Anne were playing a prank on the boys. Anne made them chase after an imaginary killer, then stabbed her sister for real. (3) The fake knife had its handlegrip facing the feet, while the real knife was turned the other way. Explanation: The police noticed the discrepancy between Mark’s and Larry’s description of the knife’s position in Lilly’s chest and that shown in the crime scene photos. Someone had obviously removed the knife and reversed it. Or stuck in a new knife, one with a blade. Anne was brought in for questioning. Eventually the 17-year-old confessed. For years, she had been jealous of her sister. Lilly got everything: praise and attention and, most galling of all, a first rate education that their parents had saved years for. It was Lilly who had thought up the prank. They would lure their boyfriends into the old mansion and then scare them with a murder, just like in the movies. Anne instant...