The Miami Herald ( http://hrld.us/1SdmJWK ) reports the family arrived from Argentina on Tuesday and the girl was walking toward a water fountain with her older siblings when they encountered 42-year-old Cuong Nguyen.
Cuong Nguyen, a Cornell graduate student in Giovannonis laboratory co-authored the paper with Powell. Other members of the research team included investigators at UC Davis, the USDA, Universidad Politcnica de Valencia, and Universidad de Mlaga.