BBC Verify has been looking into whether the US blockade of Iran near the Strait of Hormuz is working.
New data shows 179 prisoners were set free in error from prisons in the year to March.
The steep decline "is likely to reach a critical level without intervention", a report warns.
The pop star confirms the follow-up to her classic 2005 album will be released in July.
Abdullah Albadri denies charges preparing terrorist acts and being in possession of two knives.