Forensic Expert

Steven Stanko's brain function was highly unusual. He had areas of the brain that were not as active compared to other parts of the brain.

Steven Stanko's brain function was highly unusual. He had areas of the brain that were not as active compared to other parts of the brain.

We can see, particularly right here, he's less functional as compared to a normal brain. It's science.

We can see, particularly right here, he's less functional as compared to a normal brain. It's science.

We can see, particularly right here, he's less functional as compared to a normal brain. It's science.

We're seeing that the brain's not working right, and we're seeing physically what is the matter with the brain.

We're seeing that the brain's not working right, and we're seeing physically what is the matter with the brain.

We're seeing that the brain's not working right, and we're seeing physically what is the matter with the brain.

Steven didn't have the function in the brain that a healthy brain would have. Mr. Stanko's brain showed decreased function in the medial orbital frontal lobes of his brain.

Steven didn't have the function in the brain that a healthy brain would have. Mr. Stanko's brain showed decreased function in the medial orbital frontal lobes of his brain.

Steven didn't have the function in the brain that a healthy brain would have. Mr. Stanko's brain showed decreased function in the medial orbital frontal lobes of his brain.

Areas of red on these images are indicative of high levels of brain function. But we can see, particularly right here, that Mr. Stanko, in this area of the brain, he's very cold or cool or less functional as compared to a normal brain. So why is that significant? Well, it's very significant because it is this area of the brain that essentially makes us human.

Areas of red on these images are indicative of high levels of brain function. But we can see, particularly right here, that Mr. Stanko, in this area of the brain, he's very cold or cool or less functional as compared to a normal brain. So why is that significant? Well, it's very significant because it is this area of the brain that essentially makes us human.

Areas of red on these images are indicative of high levels of brain function. But we can see, particularly right here, that Mr. Stanko, in this area of the brain, he's very cold or cool or less functional as compared to a normal brain. So why is that significant? Well, it's very significant because it is this area of the brain that essentially makes us human.

People with damage to that area of the brain become antisocial. They're more likely to be impulsive. They're more likely to be aggressive and violent. What was your reaction when you saw the PET scan images of your brain?

People with damage to that area of the brain become antisocial. They're more likely to be impulsive. They're more likely to be aggressive and violent. What was your reaction when you saw the PET scan images of your brain?

People with damage to that area of the brain become antisocial. They're more likely to be impulsive. They're more likely to be aggressive and violent. What was your reaction when you saw the PET scan images of your brain?

His left frontal lobe was in the smallest two or three percent of the population. There's this decrease in the base of the right frontal lobe here.

His left frontal lobe was in the smallest two or three percent of the population. There's this decrease in the base of the right frontal lobe here.

His left frontal lobe was in the smallest two or three percent of the population. There's this decrease in the base of the right frontal lobe here.