carol covlin: it depends on whats in there, how-- how they took her out. carol covlin: no, we-- dave covlin: i just-- you know, again, you are left with a conundrum. andrea canning: a conundrum that would never be solved, the defense argued, because of bungling by investigators. robert gottlieb: you do not have any notes or any of those interviews on december 31, correct? carl roadarmel: not that i recall, sir. andrea canning: investigators hadnt dusted for fingerprints or collected dna samples. there was a long list, gottlieb said, of what investigators hadnt done at the scene. robert gottlieb: every single viewer would know that that's not the way you investigate a suspicious scene if there's even a remote possibility that it could be a homicide. it was disgraceful. andrea canning: then, in a bold move, the defense rested without calling any witnesses. after more than eight weeks of testimony it was up to the jury to decide was this an accident or a cold-blooded murder. andrea canning: how hard was it waiting for the verdict? eve karstaedt: oh, my gosh, t

carol covlin: theyre holding it together as best they could. andrea canning : sheles children are growing up without much contact with sheles side of the family. andrea canning: is there anything that you want the children to know about their mother and how you feel about them? eve karstaedt: their mother, with every breath she took and every ounce of her, she adored them. andrea canning: that's all for this edition of dateline. i'm andrea canning. thank you for watching. craig melvin, and this i something is wrong here.v. the system doesn't want to acknowledge that they made a mistake. but you made a mistake. a detective was like, you're going to tell us who did this. and i'm like, man i ain't did nothing. you hear the judge say, guilty. everything just froze. narrator: two brothers convicted of murder fight back against the justice system. twice is a pattern, a pattern of how to gain a conviction. i knew they were innocent and the question was, do we have enough? you've got several witnesses saying their testimony was coerced. can they all be