PENNSYLVANIA — Officers have cracked a 1992 murder case by getting a hold of the suspect's chewing gum and water bottle, reports The Washington Post.<br /><br />Christy Mirack was a young teacher in Pennsylvania, excited for the Christmas holidays like anyone else.<br /><br />The next day when she didn't show up at school, the principal called and then drove down to her townhouse.<br /><br />He goes inside and finds Mirack on the floor, with Christmas presents for her students strewn around on the floor.<br /><br />The police reportedly investigated the case and determined she was beaten, strangled and sexually assaulted.<br /><br />Unfortunately, the investigators never could find who murdered the poor woman...until now.<br /><br />Twenty-five years after the case went cold, investigators turned to genetic genealogy, a new technique where investigators match publicly available genealogical information with DNA found from victims at the crime scene. <br /><br />The investigators matched the DNA to Raymond Rowe, a popular wedding and event DJ, who was also known as "DJ Freez."<br /><br />The investigators then went on an undercover investigation at an elementary school party where Rowe was the DJ and collected a piece of Rowe's chewing gum as well as a used water bottle, reports The Star.<br /><br />The suspect was reportedly taken into custody on Monday, without being officially charged yet.<br /><br />Genetic genealogy has helped solved a number of other crimes, however it has raised privacy concerns about DNA being publically available for everyone.