21.  We are following every possible lead to make sure that any al-Qaida member that could be in the United States is brought to justice.

22.  He also admitted the investigators had no prime suspect in the case and were following all possible leads.

23.  Another possible lead, involving a written warning received by an Arab newspaper, was treated with skepticism by the State Department.

24.  Covering as spot, with possible leads.

25.  Covering as spot news, plus possible lead on reaction from human rights workers and opposition.

26.  Vitalone accused the Perugia prosecutors of having failed to investigate other possible leads in the Pecorelli case over the past five years.