(4) The fourth alternative is to breed their race out of existence by planting our blood here—in other words, an invasion from within. This will depend upon our two races being inter-fertile. I am almost certain that they are. If I can stay alive for seven months longer I will give you a definite report. I will carry on the experiment as swiftly as possible.
Since these people have such a short life span our descendants will live hundreds of years longer than theirs. The present race will slowly be bred out due to the infirmities of its men. Our men and their women will create a race superior to both.
If I can find a way to escape from the F.B.I., and establish myself once more in safety I will try to justify Your Excellency's confidence in your humble servant.
I put the letter down on my desk. It certainly told most of the story. It needed only a final paragraph. Then I sat down at the typewriter and added it:
I am closing now, Your Excellency. Tomorrow will be the transmission date for this letter. I may not communicate with you again for some time, but please understand, Excellency, that I am your humble and devoted servant and have tried to carry on in strict accordance with your wishes.
I put the letter into an envelope and put it in my pocket. Then I got into my car and drove down through the city to the northwest wing of the Department of Justice Building. The elevator girl smiled. "Haven't seen you for a long time, Nat. Don't you work for the F.B.I. any more?"
I smiled back at her, "The Chief has had me up to a lot of out-of-town devilment."
I passed Jack and Tex in the hall, and we waved to each other. They wanted to talk, but I was in too much of a hurry. "The Chief wants me," I said, without slowing down.
When I reached the Chief's office Mrs. Sperling gave me a broad grin. "Hello, Nat. The Chief's been waiting for you."