Unidentified Speaker (Brief Interjection)

Yeah, let's talk about her. The defense called a woman who had worked as a Canton police officer when John O'Keefe died. What did they ask her about?

So you did say that?

So you did say that?

So the reason this is important is that the defense has claimed the police tampered with the taillight on Karen's SUV and planted pieces of it at the crime scene. And they also say that Brian Higgins, who was at the house party that night, had been jealous of John and Karen's relationship. And so they say he had motive to beat John up.

So the reason this is important is that the defense has claimed the police tampered with the taillight on Karen's SUV and planted pieces of it at the crime scene. And they also say that Brian Higgins, who was at the house party that night, had been jealous of John and Karen's relationship. And so they say he had motive to beat John up.

So what Dever originally told law enforcement could bolster their theory, but Sue, it sounds like she's saying she remembers something different now.

So what Dever originally told law enforcement could bolster their theory, but Sue, it sounds like she's saying she remembers something different now.

The back and forth between this witness and Alan Jackson got very tense.

The back and forth between this witness and Alan Jackson got very tense.

I'm telling the truth.

I'm telling the truth.

The defense also called a witness we have heard from before, an emergency room doctor and pathologist who spoke about John O'Keefe's injuries.

The defense also called a witness we have heard from before, an emergency room doctor and pathologist who spoke about John O'Keefe's injuries.

Right out of the gate, no surprise, the prosecution came out hard against Dr. Russell.

Right out of the gate, no surprise, the prosecution came out hard against Dr. Russell.

Other than this case, there was never, ever a time in your career where you were presented with a photo and asked to give an opinion whether the mechanism of injury was a dog bite. Other than this case. That's correct. You do not have experience over your long accomplished career in the effort of pattern recognition analysis of dog bite wounds. Isn't that fair to say?

Other than this case, there was never, ever a time in your career where you were presented with a photo and asked to give an opinion whether the mechanism of injury was a dog bite. Other than this case. That's correct. You do not have experience over your long accomplished career in the effort of pattern recognition analysis of dog bite wounds. Isn't that fair to say?

Well, it has been a packed set of days so far. Sue, thank you for coming back and telling us all about this. And we'll see you next week, I'm sure.

Well, it has been a packed set of days so far. Sue, thank you for coming back and telling us all about this. And we'll see you next week, I'm sure.

Coming up, Josh Mankiewicz will be here to talk about a case he's been covering for years. The murder of Michigan grandmother Deanne Warner. For our next story, we're heading to Lenawee County Courthouse in Michigan for the latest on a case Josh Mankiewicz and the Dateline Missing in America team have been following for years. The murder of 52-year-old grandmother and entrepreneur Deanne Warner.