Michael Ross has come aboard to write the action thriller "
Disavowed" for CBS Films.
Irwin Winkler ("Home of the Brave") is producing the film, originally written by Philip Shelby, about a group of military prisoners in the U.S. secretly dispatched to the African nation of Eritrea to retrieve a bio-chemical weapon that has gone missing. If the group is successful in keeping it out of the wrong hands, the convicts' prison sentences will be commuted.