“Not in a court of law,” Pitt said casually. “Innocent until proven guilty, but the story is a worn classic. Kill thy neighbor for profit; there’s your title. Suppose we begin at chapter one with an eccentric inventor named Charlie Smith who was testing his latest brainstorm, an automatic fishing-pole caster. On one cast the sinkers took the hook deep and it snagged on an object. Charlie, an experienced angler, thought he had

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hooked a submerged log and expertly worked the line until the tension gave and it pulled free. But he felt a drag; something was surfacing with the hook. And then he saw it: an aircraft oxygen tank. Its mounts had torn loose, eroded over the years of submersion, and Charlie’s tugs were all the tank needed to break away and rise to the lake’s surface.

“The practical course would have been to call the sheriff. Unluckily for Charlie, he was the curious sort. He had to prove to himself there was a plane down there, so he scrounged a rope and grappling iron and began dragging the lake bottom. On one pass he must have caught and yanked up the shattered nose gear, which must have broken out of its housing. Suspicions confirmed, Charlie then became greedy and sniffed the sweet smell of treasure. So instead of playing Honest John Citizen and reporting his discovery, he headed straight for Lee Raferty.”

“Why would Charlie come to me?”

“A retired Navy man, a deep-water diver; you were made to order. I venture to guess the diving equipment and air compressor you and Charlie scrounged are sitting in your garage right now. A hundred-and-forty-foot dive must have been child’s play for a man of your experience, wearing hard-hat gear. The strange cargo in the aircraft stirred the juices of your imagination. What did you expect to find inside the canisters? Old atomic bombs, perhaps? I can only envision the backbreaking work it took for two men nearing seventy to dive in frigid waters and wrench weights of two thousand pounds from the lake depths to shore. I give you both credit for guts. I can only hope I’m in half the physical shape when I reach your age.”

“Not so tough.” Lee smiled; he seemed to have no fear of Pitt at all. “Once Charlie devised a small explosive charge to enlarge the already cracked opening on the fuselage, it was a simple matter for me to attach a cable to a canister while he towed it to shore with the four-wheel-drive.”