The Firearm Licensing Authority (FLA) is reporting that it has now found a file linked to the X6 murder case.

However, the authority said the file did not belong to businessman Patrick Powell.

Powell who was on trial for the murder of schoolboy Khajeel Mais was freed of the charges after the prosecution's case collapsed.

The revelation was contained in a statement released today detailing the series of controversy at the FLA.

Speaking Monday afternoon on Nationwide Radio, FLA executive director Shane Dalling said the file was found hidden in a bag in an office that was occupied by one person.

Dalling declined to provide details but said the file belonged to an individual who became involved as a result of a "mix up".

Dalling said since that matter is in court, he could not say more.

However, he said the person in whose office the file was found is no longer with the FLA.