The ghost cell is an urban legend in the intelligence community‒an explanation or an excuse for disasters otherwise inexplicable. Rumors describe an organization on a remote planet somewhere in the galaxy devoted to the training and education of master killers‒an organization that seeks out radicals and terrorists in order to further develop their abilities, to help assassins and saboteurs turn their talents into art. Once trained, ghost cell operatives are returned to the galaxy to wreak havoc, disguised as the men and women they kill and capable of bringing down planetary governments.
Neither Imperial Intelligence nor the Strategic Information Service has ever found proof of the ghost cell's existence. The only reason the legend has any credibility is its recurrence‒different informants spread across known space have spoken of its existence. None of these informants survived long enough to be debriefed.