However, it remains unclear whether the group is linked to Isis, or if it is working on its behalf, as it was not released by one of its official media outlets.
She said while it "purports to be a minority report to the authority's third and final report of its special review", it "was not released or endorsed by the authority, and has no status as an authority report".
It was lavished with critical acclaim for its refined design, though it was not released outside of Japan and remains a much sought after collectors' item.
The song was ineligible for inclusion on the Billboard Hot 100 during its original release, because it was not released commercially as a single.
Although it was not released in theatres and its DVD sales where not among the top 100 in 2007, the success of its national airing spawned a 2009 sequel entitled Flight of the Red Tail, which is also known as Red Tail Reborn 2, that was available on DVD on November 27.
Filmed in 1971, it was not released until 1986, during the reformist years of perestroika.
The group secured a recording deal and made an album, though it was not released.
"I think he would be very disappointed if it was not released," his lawyer said.
He recorded one album with Elektra, but it was not released.
Although that album sold half a million copies in Europe, it was not released in the United States.
His first, Violent Cop, was made in 1989, although it was not released in the UK until 1993.
