<p>ISLAMABAD, Pakistan, April 5 (UPI) -- Investigators said Friday they have found some code words in an al Qaida hideout that could tell them more about terror suspect Osama bin Laden's whereabouts.</p>
<p>Senior Pakistani security officials told United Press International the codes were found in a building in Faisalabad. Last week, a joint FBI and local police team arrested one of bin Laden's key aides, Abu Zubaydah, and 18 other al Qaida suspects from the same building.</p>