{Fort Campbell, Kentucky}...Fort Campbell soldier Brent Burke is in the midst of a court martial at Fort Campbell on charges of murder in the deaths of his estranged wife Tracy Burke and her former mother-in-law, Karen Comer, who were found fatally shot at Comer's Rineyville home in 2007. Friday, DNA expert Steven Barrett and forensic biologist Sara Green both testified that Brent Burke's DNA wasn't found on any of the items tested at the scene. The Army charged Burke in the shootings after civilian authorities in Hardin County dismissed charges against him due to four mistrials.
