Place a large pot of water to a boil. Cook pasta according to package directions.
Meanwhile in a skillet sauté garlic and cayenne pepper with olive oil for one minute.
Add chicken and brown on all sides, stir in olives and capers; sauté for several minutes then add tomatoes, season with salt as needed; simmer for five minutes.
Drain pasta and toss with sauce, stir in parsley before serving.
