The case against vascular surgeon Michael McKee in the murders of Monique and Spencer Teppi.

We found out so much more yesterday in the press conference.

So yesterday, the Columbus Division of Police held a formal news conference outlining for the first time

the core evidence that led investigators to arrest

Michael McKee in the murders of Spencer and Monique Tepe. What we heard yesterday was not theory,

not rumor, and not internet speculation. It was evidence-based policing, methodical investigative work

at a case that appears to have been built

deliberately and carefully over time. We're going to discuss today and break down what the police

said, how each category evidence fits together, and why this case moves from investigation

to arrest when it did. We talk about the ballistic evidence,

the physical evidence, the link. According to Columbus Police, ballistic evidence played a

central role in tying Michael McKee to the crime scene, and investigators confirmed that.

Spent shell casings recovered from the Tepe residents were forensically examined.

Those casings were later matched to a firearm connected to McKee, either through ownership, possession, or exclusive access.

Ballistics are powerful because they don't rely on memory, emotion, or interpretation.

They rely on toolmark analysis, microscopic markings left by a specific firearm that act like a fingerprint.

Police emphasize that this match,

and I'll show you some of the tool marks in an example,

this is a firing pin impression on a spent shell,

not the spent shell, that is unique to the firearm that it was fired from.

In addition, these are extraction marks, also that is unique to the firearm.

So when they recovered the spent shells and it was reported three spent shells,

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