0Kevin Collins, Madeleine McCann & More Famous Cold CasesMissingPolice have revived the 29-year-old search for Kevin Collins. See other unsolved mysteries.Updated Jul. 12, 2017 2:06AM EDT / Published Feb. 07, 2013 2:15PM EST Kevin Collins Etan PatzNew York City Police Department / AP Photo Madeleine McCannAP Photo Jack the RipperIllustrated London News Elizabeth Short, a.k.a. ‘Black Dahlia’AP Photo Hall-Mills MurderAP Photo The Zodiac KillerAP Photo Dr. Sam SheppardGetty Images Lizzie Borden JonBenet RamseyRic Field / AP Photo Jimmy HoffaAP Photo Boy in the BoxMatt Rourke / AP Photo D.B. CooperFBI Tylenol MurdersAP Photo
Kevin Collins Etan PatzNew York City Police Department / AP Photo Madeleine McCannAP Photo Jack the RipperIllustrated London News Elizabeth Short, a.k.a. ‘Black Dahlia’AP Photo Hall-Mills MurderAP Photo The Zodiac KillerAP Photo Dr. Sam SheppardGetty Images Lizzie Borden JonBenet RamseyRic Field / AP Photo Jimmy HoffaAP Photo Boy in the BoxMatt Rourke / AP Photo D.B. CooperFBI Tylenol MurdersAP Photo