U.K. TV giant ITV said Monday that it has acquired a majority stake in Tetra Media Studio, the French TV production firm behind such dramas as crime series Profilage , now in its seventh season, and Les Hommes de l’Ombre , the political thriller known in Britain under its English-language title Spin . ITV has acquired production firms in the U.S., U.K. and beyond as CEO Adam Crozier has been looking to diversify revenue streams beyond TV advertising.