Edward Marks, 24, a former stockbroker trainee, admitted in an Orlando court last week that he had spiked Contac, Dietac and Teldrin capsule medicines with rat poison in a bid to make money in the stock market. Marks thus became the first person to plead guilty to charges of orchestrating a national drug- tampering scheme.
Marks poisoned capsules in a series of Orlando stores six months ago, after buying so-called put options in the stock of SmithKline Beckman, the manufacturer of all the non-prescription drugs. The option purchase would allow him to profit if SmithKline stock fell after the news of...