This is the Hidden Killers podcast with Tony Brewski and continuing coverage of the case against Karen Reid.

All right, Mr. Jackson, whenever you're ready.

Thank you, Mr. De Sogra.

Could you please state your full name and spell your last name for the jurors, please?

Matthew De Sogra, last name, D-I-S-O-G-R-A.

What do you do for letting, sir? I am a licensed professional engineer.

I practice in the field of accident reconstruction, and within that field, I specialize in

analysis, interpretation, and accessing all types of vehicle data.

How are you currently employed?

I'm employed by Delta V forensic engineering, which is an engineering firm that specializes

in accident reconstruction, all parts of accident reconstruction.

Tell us a little bit more about Delta V. What kind of company is it, other than that specialty, what else does it do?

So action reconstruction is a broad field.

There are a lot of sub-specialties within that.

So accident reconstruction is everything from the initial investigation phases of crash all the way through testimony, like here today.

Some of the specialties within that could be things like biomechanics, could be human factors,

and my specialty is vehicle data and event data recorders.

On that thing, on that topic, what is your current title or position with Delta V?

I am the director of engineering for our EDR services line. What does

EDR services mean? Event data recorders. So EDR is a general term we can use to talk about all types of

data from all types of vehicles. And how would you describe your role as the director of engineering

for EDR services for Delta Vee? It's, I wear a couple of different hats.

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