Recently US-nationalized Syrian cab driver Amir Alhabi, who runs his own company with cousin Fariq Yusef, is shot in his cab after a 45 tour back to the start point with consulate 'security attaché' (spy) Fariq Yusef. Homeland Security Agent Mark Fallon takes charge after his keys lead to a storage unit with cobalt radiation feared to stem from a nuclear weapon. Castle is officially discarded but keeps in the loop, tracing a payment to Amir, which he believes a fake as cover-up, shifting focus to employed cab driver Kevin McCann. Written by
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Stana Katic (Kate Beckett) and Adrian Pasdar (Agent Mark Fallon) have both appeared in the TV show 'Heroes'. See more
A major plot point of this episode has to do with a so-called cobalt-60 "dirty bomb." Castle and Beckett are supposedly exposed to high levels of cobalt-60 radiation. Aside from the fact that no cobalt bombs have ever been built, the cobalt "tamper," as the shell of material surrounding the nuclear core of the weapon is called, is not radioactive before the explosion. The explosion transmutes the ordinary, inert cobalt-59 into its highly radioactive isotope, cobalt-60. Thus, no one could possibly be exposed to cobalt-60 radiation before the bomb goes off, unless the cobalt had been bombarded beforehand by a particle accelerator, a pointless exercise, as cobalt-60 rapidly loses radioactive effectiveness after transmutation, with a half-life of less than 5-and-a-half years. See more
Castle, even if Amir is innocent, Jamal isn't.
His guilt is predicated on Amir being a terrorist. Without that, Jamal is just another guy moving a crate. This all comes back to Amir.
References The Conversation
Written by Robert Duncan See more