Just watched it tonight (recorded) and, well, when Shane wasn't tailed, I started worrying 'cause he's shown his allegiance in the past.  I just didn't know it would be a grenade!  
Geo's right.  Some unbelievable things have happened on this show.  Surprised the network pushes the envelope like they do.  And I had forgotten about the kitten  

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Show definitely keeps you wanting more!