Cyrus Broacha’s Week That Wasn’t on CNN-IBN decided that the Arushi murder case was now ubiquitous enough to become the butt of a joke. Joke no.1: The CBI is looking for a khukri. Why look for a khukri when you already have a Talwar? Joke no. 2: Narco tests are great. They bombard your brain with drugs for free.