Just sharing is caring. No need to thanks. I posted this as anon to prove that I am not a thumbwhore.

Rick's decision to lock Andrew out amid a sea of walkers came back to bite the group in a major way as the former prisoner winds up setting a deadly trap for the group.
After chopping the gate lock away, Andrew sets walkers loose amid the prison grounds and cellblocks, prompting an all-out panic among the divided group.
Newly mobile Hershel and Beth find safety, while Rick, Glenn and Daryl attempt to find the source of the blaring prison alarm leading every walker and their dead brother to the compound.
Elsewhere, T-Dog and Carol are forced to fend for themselves in the dark hallways, while Maggie and Carl are tasked with protecting Lori, who naturally goes into labor.
But not everyone makes it out alive, as T-Dog -- shortly after being bitten by a walker while trying to secure the prison -- sacrifices himself in order to help Carol escape. Lori, experiencing complications during labor, tells Maggie she's going to have to cut the baby out of her.
A tearful and determined Lori says an emotional farewell to Carl and insists that the baby is the group's best sign of hope.
Lori passes after Maggie cuts the baby out of her, leaving Carl to fire the fatal gunshot to ensure that his mother doesn't turn.