The head of the company originally set to distribute the film was found murdered shortly before it was to go into international release. It received spotty distribution because the rights were tied up in legal wrangling over the victim's estate for several years.
Released 36 years before Bourne Legacy (2012), another film which has a similar plot elements and was also shot in the Philippines.
According to Leslie Nielsen, the original title was Project Kill: F-134.
Despite the Digiview Production DVD listing on their box that this movie is 'Not Rated', there is a 'R' rating that can be seen at the end of the credits.
In the public domain.