>> reporter: prosecutors believed the original plan was to kidnap ashlea, kill her, and put her body in that grave. she was killed in her apartment, the prosecutors thought, because she fought so hard. >> what is that? >> this is a glock 19 semiautomatic pistol. >> reporter: in fact, investigators believe ashlea harris was pistol whipped. so when this glock 19 was found in the black infiniti, prosecutor deener had it tested. the results were both sad and conclusive. >> it came back positive with ashlea's dna on the gun, so that was very significant. >> there was blood adjacent to her bed. and blood splattered on the bed. this was not an easy death. >> reporter: hearing all this was so hard on ashlea's mother monica and loved ones like april. >> i thought i could handle it. huh-uh, nope. so i went out and i went back into the room where monica was. and she was consoling me. and she shouldn't be consoling me. >> reporter: the brutality of