Lawyers representing families of dead Iraqis admitted there was "insufficient evidence" to back their claims British soldiers unlawfully killed civilians nearly a decade ago.
From the outset the families have had the simple objective of discovering the extent of any wrongdoing and, if so, how it came about and who was responsible.
It is accepted that, on the material which has been disclosed to date, there is insufficient evidence to support a finding of unlawful killing in Camp Abu Naji.
The Iraqi core participants will not submit that, on the balance of probabilities, live Iraqis captured in the course of the battle died or were killed at Camp Abu Naji.
However, PIL said there were still allegations of mistreatment of prisoners for the inquiry to consider.
The Al-Sweady Inquiry is examining allegations British troops mistreated and killed 20 or more Iraqi detainees after the Battle of Danny Boy in May 2004. The MoD has vigorously denied the claims, saying any deaths occurred on the battlefield.
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