That is the basic story, but also the way they escaped is pretty interesting.I will check that out. I remember hearing about it on the news and such. if I remember right the woman who helped them fell in love with one or something and helped hi,. IIRC she had some problems at home and light weight mental problems. This does happen. It happened in my prison with a kitchen food service supervisor. Prison is full of some pretty bad people who look for people like this in the workers. People they can take advantage of and use. In my prison they were pretty good about spotting when this is going on because there were a lot of issues with this in there before I was locked up and they did massive reforms. But I know of three cases where the workers and on guard who were taken in by the inmates. it ranged from sex to smuggling in drugs, and cell phones and in one case a weapon to an attempted escape. So it is possible. Its just not as common as the movies make it out to be. And there are pretty harsh punishments for inmates trying to do this. Like they get moved to another prison and their security level is raised because they have shown they are a threat to the system or a new charge for the inmate and the person helping them.
I know in my state they went a step further and passed a law that if a worker has contact on a social level with an inmate with in five years after release they lose their jobs.