AMC's The Walking Dead continues to draw increasing speculation over what will transpire when the zombie thriller returns for its fourth installment in the fall.

There had been previous chatter over Rick (Andrew Lincoln) and the group's eventual exit from behind the walls of the prison to make another unknown location their new base camp.

In a new set of still shots that were posted on May 14 by readers of Walking Dead Locations, pictures of tents built up outside a retail store with large production trucks parked in front of them could be seen.

To add more validation to the buzz, comic book creator/executive producer Robert Kirkman did elaborate to TVLine about it.

"There's always going to be new locations and new places to discover and explore. I don't want to reveal too much; Season 4 is still five months away. But I will say that as we see at the end of Season 3 we're definitely going to start Season 4 at the prison," he said.

"We may be there the whole season and we may not be... But there are going to be some big differences from Season 3," Kirkman continued.

The Walking Dead will be kicking off its fourth season on Sunday, October 14 at 9/8 p.m. Central on the AMC network.

Keep checking back for more of the latest details on the popular zombie series. A look ahead to Season 4 can be watched below.

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The Walking Dead, AMC, Television