was doug stewart responsible for the murder of his wife venus? doug stewart responsible for the murder of his wife, venus? >> i dreamed about her a lot, thinking that she is still alive and that i'm hugging her and then i wake up. reality hits me. >> do you believe she's alive or not? >> i have got to believe she's alive. if she is not, i don't think i can handle it. i don't think my kids can handle it. >> if she was alive, it would be incredibly cruel, which is doing. >> i could never forgive her. >> the jury has indicated they've reached a verdict. >> the moment had arrived. dennis' brother and mother knew a guilty verdict would be small consolation but they wanted to hear it anyway. a few feet away stood the accused. eyes blinking, face twitching. >> the clerk will read the verdict. >> the members of the jury find douglas harry stewart as to count one, guilty of first- degree premeditated murder. >> guilty. jurors clearly believe the star witness ricky spencer's story of been the alibi and the double but they also determined that doug's fingerp

several cold winters later, the mystery of the missing venus stewart has finally been put to rest, but memories of a loving mother, daughter and friend will be kept alive by those who hold the story of venus close to their hearts. >> she was my best friend. i never went a day without talking to her. never. the girls missed out on a really good mom. >> is she alive in the memory? >> no, yeah. i talk about her all the time. >> we'll do. >> as for doug stewart, his decision to finally confess and give it up changes nothing in his sentence. he and his new xbox will be in prison for the remainder of his life. the remainder of his life. hello, i'm andrea canning, and this is "dateline."er. he's evil. he's pure evil. he is that character in those horror movies. andrea canning: he hid in the shadows, a killer in a mask. he's clearly a brilliant individual, a brilliantly scary individual. andrea canning: his target, a doting young mom. she was a gorgeous strawberry blonde who loved her son more than anything in the whole world. she was so scared. andrea canning: he struck once. would he kill ag