Amateur Gumshoes Crack Cold Cases May 24, 1998 A group in San Antonio called Unsolved Crimes tackles old murder cases that police have never been able to solve. The group is nonprofit and all its members work on a volunteer basis at the behest of families of murder victims who after years of waiting, want some resolution in their loved ones' case. Amateur Gumshoes Crack Cold Cases Only Available in Archive Formats. Real Media