Mr. Eisenberg.

Could you mark that, that you mention as "2"?

Mr. Dulles.

This again, at least the "Q" part of this, is the bullet that was found in the stretcher?

Mr. Nicol.

Yes, sir; this specimen here.

Mr. Dulles.

That is on the left-hand side, is it?

Mr. Nicol.

Yes, sir.

Mr. Eisenberg.

"Q," as Mr. Cunningham stated, is the FBI mark for "questioned," whereas "K" is the FBI mark for "known."

Mr. Nicol.

I retained the same nomenclature so I would not add any unnecessary marks.

Mr. Eisenberg.

Now do you have another photograph?

Mr. Nicol.

Yes. I took three different positions of Q-1 and K-1. This would be now with the same projectiles under the comparison microscope but rotated to a new position. Each one of these positions shows a similar rotation.
Do you want to mark these?

Mr. Eisenberg.

This photograph was also taken by you, Mr. Nicol?

Mr. Nicol.

Yes, sir.

Mr. Eisenberg.

May I have this admitted as 609?

Mr. Dulles.

It shall be admitted.
(The photograph referred to was marked Commission Exhibit No. 609, and was received in evidence.)

Mr. Eisenberg.

This is also marked Q-1 and K-1.
That will be Commission Exhibit 609.
Would you discuss that photograph briefly, Mr. Nicol?

Mr. Nicol.

This represents a new position of Q-1 and K-1 in a match relationship. Both have been rotated simultaneously through the same angle, and looking at the bottom this time, the large broad area represents a land impression.
Then coming up to a point approximately a half inch above the land edge there is a deep groove paired up with several other deep indentations. These are worth noting because these represented very prominent index marks on both Q-l, Q-2, and Q-3. This was used as, you might say, a point of departure in lining up the projectiles. And again this shows what I would consider evidence of similarity between the rifling impressions on both projectiles.

Mr. Dulles.

You wouldn't go further than that--"evidence of similarity"?

Mr. Nicol.

Well, I would go so far as to say that based upon the individual characteristics that I observed, these, plus those shown on the other photograph, would lead me to the opinion that they were fired in the same gun.
When I refer to similarities, these would be individual characteristics which would be in the same category as the individual points of identification on a fingerprint. This would be tantamount to the fingerprint of that particular weapon.

Mr. Eisenberg.

This is the third photograph?

Mr. Nicol.

This is a third photograph of another very prominent mark on both projectiles.

Mr. Eisenberg.

Taken by you, Mr. Nicol?

Mr. Nicol.

Right.

Mr. Eisenberg.

May I have this admitted as Commission Exhibit 610?

Mr. Dulles.

It will be admitted.
(The photograph referred to was marked Commission Exhibit No. 610 and, was received in evidence.)

Representative Ford.

(addressing Mr. Eisenberg). Now both Q-1 and K-1 were fired from the Commission Exhibit 139?

Mr. Eisenberg.

139, yes. The FBI fired K-1 from Exhibit 139.
Mr. Nicol has now identified Q-1 as having been fired from the same source as K-l, and, therefore, from Exhibit 139.

Representative Ford.

Yes.

Mr. Nicol.

This represents a third position of Q-1 and K-l, and, in this third position, of course, the first two positions still are in match relationship, that is to say in a relative sense; because of mutilation of Q- 1 they would not be precise, there would be some mild adjustments.
What I am illustrating here is a very prominent groove. In this particular