Originally Posted by Aries Walker
I think the accusations against Merle are a plan hatched by the Gov. He'll then arrange a convenient open door or something, and Deryl - with his brother - will "escape" back to Rick's group, with Merle being the Governor's "inside man". It makes sense, and explains the plot hole of how the Governor recognized Deryl, whom he had never before seen.
There's a plot line very similar to this in the comics, so I could see this happening.