Guillermo ArriagaEXCLUSIVE: CAA has signed writer/director Guillermo Arriaga. Arriaga, who had a long run at UTA, scripted Amores Perros, 21 Grams, The Three Burials Of Melquiades Estrada. He also wrote Babel, for which he received an Oscar nomination and most recently adapted the Focus Features pic The Tiger, which will be directed by Michael R. Roskam.  Arriaga also wrote and directed The Burning Plain, which starred Charlize Theron and Jennifer Lawrence. He remains repped by attorney Linda Lichter.

Related: ‘Bullhead’ Helmer Michael R. Roskam To Helm ‘The Tiger’ For Focus Features