"Most simply, I might have had an unknown accomplice."

With only a "negative match," prosecutors remain free to argue that the crime was committed by two perpetrators - the convict and an unknown accomplice.

Winthrop and an unknown accomplice took $305 from him and threatened to shoot him if he did not write them a check.

They were all frightened, as unaware as the police of the psychology that drove psychotic serial killers like James Maybrick and his unknown accomplice.

Bernstein would use Sol Levine as an unknown accomplice to the crime.

His unknown accomplices are also thought to be from among those organizations and are also probably hiding in this area.

They were most probably plants, shills, people Slant or one of his unknown accomplices had selected and trained.

Where Maybrick and his unknown accomplice might meet their victims.

He eventually concludes that the Dietrichson woman and some unknown accomplice must be behind the husband's death.

These three, and an unknown accomplice in Philadelphia, are engaged in a vast conspiracy to use their ill-gotten knowledge to achieve ever greater powers for themselves.