Probably "arrested" for sideline smuggling and such. Heroin into Iran seems to be a big problem.
The question is, who are the AQ member not being "held" but living in Iran anyway?
ZALMAY KHALILZAD SAYS AL-QAEDA GUERILLAS ARE IN IRAN 1/19/02
Tehran given details of Iranian interference in Afghanistan' 2/13/02
Laden's right-hand man imprisoned in Iran: Reports 2/17/02
IRAN DENY PRESS REPORT OF IMAN AL-ZAWAHERI'S ARREST, BUT...2/18/02
Terrorists trained by Iran tracked from Uzbekistan 4/08/02
Al-Qaida fighters leave Afghanistan through Iran and Iraq; most going home to Arab countries 6/21/02
ITALY LINKS TERROR PLOTS TO AL-QUEDA IN IRAN (10/13/02)
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Bin Laden son, al Qaeda terrorists spotted in Iran 2/15/03
Al-Qaida tied to Iran intelligence, military: Models of WTC, Pentagon at Tehran spy base (2/03)
Suspected Al Qaeda Activities in Iran Contributed to Orange Alert (5/23/03)
Iran Officials Admit to Holding Al Qaeda Operatives (5/23/03)
Al-Qaeda leaders "busy" in Iran: Rumsfeld| 5/21/03
Alleged al-Qaeda Tape Urges More Strikes (al-Zawahiri) [5/21/03]
Sources: Al-Qaida in Iran Directed Saudi Bombing Newsday | 5/16/03