After Two Decades and a DNA Test, Charges Are Dropped in Georgia Killings. Perry, Dennis A (1962- ), False Arrests, Convictions and Imprisonments, Murders, Attempted Murders and Homicides, Forensic Science, DNA (Deoxyribonucleic Acid), Swain, Harold (d 1985), Swain, Thelma (d 1985), Sparre, Erik, Innocence Project, Waverly (Ga), Georgia