Mr. Alptekin's current location is unknown.
His exact location is unknown, though rumours repeatedly place him in Pakistan.
Zawahiri's location is unknown, but he was last believed to be in Pakistan.
Officer Wilson, who is white, has been placed on leave, and his location is unknown.
Dra'Gar's exact location is unknown, but Killian's contractor has a tip; an informant named Krux may know his whereabouts.
By using quantum teleportation, unknown quantum states can be transferred over arbitrary distances to a party whose location is unknown.
He left the Palestinian territories after Mr. Arafat's death in 2004, and his current location is unknown.
Former members of the security forces among the new arrivals have been taken away by Isis, he added, and their current location is unknown.
Morsi, who has not been heard from in seven weeks and whose location is unknown, faces several layers of charges directed by the government that replaced him.
His current location is unknown, though Ms. Roth and neighbors said they believed they had seen him driving around his neighborhood.
True, the agreement gives Google the exclusive right to scan "orphan" texts titles for which the copyright owner's identity or location is unknown.
