Poison is the weapon of the patient, the calculating, and the cowardly—but not all poisoners are alike. Deadly Chemistry dissects the critical divide between targeted killers (who murder with intimate precision) and random terrorists (who sow chaos indiscriminately), revealing how forensic toxicologists trace their crimes back to the source. From disgruntled spouses slipping arsenic into tea to the Tylenol Murders' anonymous monster, poison leaves a trail only science can follow.

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