Source:
AMC
December 21, 2012
We’ve just received this joint statement from AMC and The Walking Dead showrunner Glen Mazzara:
Today, AMC announces the season 4 pick-up of The Walking Dead.
AMC also jointly announces with Glen Mazzara today that for future seasons, the two parties have mutually decided to part ways. Glen guided the series creatively for seasons 2 and 3. AMC is

