Halo Ghosts of Onyx p. 82 Beta Company genetic testing expansion

"There are sufficient genetic matches," Colonel Ackerson corrected. His face was an impassive mask. "What's missing are data to find additional matches. We need to proscribe mandatory genetic screening in the outer colonies. Those untapped populations are-"

"That's the last thing we need in the outer colonies," the Rear Admiral said. "We're just getting a handle on a near civil war. You tell an O.C. they got to register their kids' genes, and they'll all be reaching for their rifles."

The Vice Admiral steepled her withered hands. "Say it is part of a vaccine program. We take a microscopic sample as we inject the children. Inform no one."