Have you ever wished you could be as sharp and alert as a detective? You can here's how! The detective walks purposefully into a dimly lit room. "What's this?" he exclaims as he closely inspects small fragments of glass lodged in a crack in the floorboards. He patiently scans his surroundings for additional clues. He lightly dusts a door handle and examines it for fingerprints. Scratching his head, he slowly paces across the room. "Aha!" Stooping down, he lifts a tiny, pale thread lying next to a chair. "This thread is identical to the material of the torn coat discovered under the seat of the suspect's automobile!"
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