2A 6 JFK Assassination Case

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1

Kennedy

Assassination

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2

Kennedy just before

his assassination

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3

Lee Harvey

Oswald

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4

Questions

Did Lee Harvey Oswald act alone?

1

Was there a second gunman?

2

If there was a second gunman,

how many bullets would there be?

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5

Questions

How many bullets fired by Lee Harvey Oswald?

One missed

Two hit

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6

Bullet Analysis

Bullets can fragment

How to put fragments together?

How to determine the

total number of bullets?

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7

Trace element

composition

Silver (Ag)

Antimony (Sb)

Bullet Analysis

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Fragment Ag / ppm Sb / ppm

Sample description

1

8.8 ± 0.5 833 ± 9 Connally stretcher bullet

2

9.8 ± 0.5 797 ± 7 Connally’s wrist (fragment)

3

8.1 ± 0.6 602 ± 4 Car (large fragment)

4

7.9 ± 0.3 621 ± 4 Kennedy’s brain (fragments)

5

8.2 ± 0.4 642 ± 6 Car (fragment)

8

Neutron Activation Analysis (NAA) results

Bullet Analysis

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9

Bullet fragments divided into two groups

Two bullets

Most likely a single gunman

NAA Analysis


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