For the past five years the University of Minnesota has been furiously trying to beat back the negative publicity generated by the violent suicide of a young man named Dan Markingson enrolled in an AstraZeneca-funded research study.

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In the end it was the publicity, police said, that led them to their man, ending the international manhunt that involved law enforcement agencies in Germany, South Korea, Vietnam, Cambodia, Canada and Thailand.

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At the same rally, a naked man ran through the crowd, apparently as part of a publicity stunt for a website.

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