It is part of a larger investigation aimed at trying to identify those individuals he was in contact with.

VOA: standard.2009.12.27

At the moment we know the general location of the staff members but we are not in contact with the abductors themselves.

VOA: standard.2009.03.16

Security officials in Massachusetts say there are no known threats to Boston and that Thursday's raids at a suburban home and a fuel station followed a period of close, confidential contact with New York's police department and federal agents.

VOA: standard.2010.05.14