I think the voice was made to make us all think Glenn, but i also think it is too soon for Glenn to be brought back if he is still alive "No, he is still alive!"
I am pretty sure the guy and girl that stole Daryl's bike took his walkie talkie and it is possibly the guy asking for "HELP"
DO NOT READ THIS SPOILER IF YOU DO NOT WANT TO KNOW POSSIBILITIES
I just read an interesting article about Glenn, Maggie is pregnant and has his baby only for Glenn to be murdered in front of his family by someone with a nailed baseball bat at the end of the series
I feel like we're going to find about the "voice" - whomever it is or Glenn towards the very end of the episode. I expect a huge cliff hanger like usual
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Just watched S6E7 and I am absolutely stoked about what is happening. I can't wait for the mid season finale. There are so many routes the show can take that will reference the comics.
I am hitting my head against the walls, but the walls are giving way.