An Orange County teenager whose home science experiments sparked a three-day FBI probe has insisted it is all a misunderstanding and that he was trying to find a cure for cancer . Amalvin Fritz, 17, said he was mixing water, rubbing alcohol and chemicals commonly found in Epsom salts and nail polish remover at his Irvine home when his landlord discovered the experiments and raised the alarm. The University of California, Irvine biology student, who skipped high school, said he hopes to become a