What did Dana Chandler do? Inside the case of the Kansas woman convicted of double murder after three trials

Dana Chandler has spent decades maintaining her innocence against allegations she was responsible for the 2002 murders of her ex-husband, Mike Sisco, and his girlfriend, Karen Harkness.  HAROLD WORSWICK (to 911): I just located my daughter and she's downstairs and she's dead …  JULY 28: … Dana stalking neighborhood at 8:30, caught her she left. ...  DET. RICHARD VOLLE (phone call to Chandler): Your husband was found shot to death today, this afternoon. Your ex-husband, I'm sorry … Can you tell me when the last time was that you talked to him? DANA CHANDLER (phone call to police): Hi, my name is Dana Chandler and I got a very disturbing phone call last night. Someone had said that my ex-husband had been killed, and I'm just calling to — to see if that's true or not … DET. RICHARD VOLLE ( interview audio 2002): Tell me about what happened on the 6th. HAILEY SEEL (recorded phone call): … I think that the only way I can really move on with a relationship with you is if we can get it, you know, if you can just tell me yourself that you did it. … HAILEY SEEL (recorded phone call): Why did it have no calls and was at home the whole time? You knew it could be traced. DANA CHANDLER (recorded conversation): I said I could kill him. You ever think about killing him? HAROLD DOW | "48 Hours" correspondent: Did you know anything about the death of Michael and Karen? HAILEY SEEL (recording to Dana Chandler): Nobody can say that they — that you were in Colorado that weekend? DANA CHANDLER (recording): …. you ever think about killing him? DANA CHANDLER (recording, played in court): … She asked me for money and we don't give people money at AA. I said, "I'll go buy you some gas …"

In 2025, Chandler took on her own defense, representing herself in the third trial the state brought against her for the murders.  NOVEMBER 12: Dana came in house while I was at Karens from 7:00 to 11:00 went thrus stuff … DANA CHANDLER: I got up, I had my morning coffee. DANA CHANDLER: Well, number one, I didn't do it and number one I, number two, I don't know what happened Hailey. … DANA CHANDLER: I was in the mountains; I didn't have a signal. HAILEY SEEL No, but — DANA CHANDLER: I have no idea what happened to Mike and Karen. HAILEY SEEL: No, but —

DANA CHANDLER (in court, closing): My liberty, my freedom is hanging in the balance.  DANA CHANDLER: I did. DANA CHANDLER: I did.