DS1 Question - Chapter 6 - Did I miss something? - Marked Spoiler just in case

So I just started chapter 6 Deadman and during the cut scene Sam called the BB Lou, did I miss when he named/found out the name of the BB?

I had just completed Chapter 5(Mama) and then started Chapter 6 after doing a lot of side stuff in Ch5 so I could have forgotten by the time Ch6 stared