Raj Patel , 22 , a Stanford University senior , died when a polar bear mauled him . Authorities say such deaths are highly unusual . In a statement , Doug Lanpher , executive director of Delta Kappa Epsilon , International , said : `` We would like to extend our deepest condolences to the family and friends of Caitlyn Kovacs . Patel became separated from a group of close friends with whom he was hiking .
Raj Patel , 22 , a Stanford University senior , died when a polar bear mauled him . Authorities say such deaths are highly unusual . Patel became separated from a group of close friends with whom he was hiking .