IT: Welcome to Derry Episode 6 “In the Name of the Father” opened with a chilling flashback (black and white) sequence in 1935 Juniper Hill asylum. An unidentified staff member is bringing a hesitant young patient named Mabel to the asylum's boiler room. Moments later, the duo sees a red balloon and Pennywise appears from the shadows, ready to feast on its next victim.The latest episode eventually revealed that Mabel became one of Pennywise's first victims at Juniper Hill, following which, he made the asylum his breeding ground for children.How did Mabel die in IT: Welcome to Derry Episode 6? Who was the unidentified staff member who practically served Mabel to It on a platter?Here are all the details.IT: Welcome to Derry: Mabel tragically became one of Pennywise's victims in 1935 View this post on Instagram Instagram PostThe climax of IT: Welcome to Derry Episode 6 featured a chilling reveal when Lilly reached Ingrid's house and discovered that she is not the friendly woman from Juniper Hill. After Lilly discovers Ingrid's old costume, Ingrid says:“Have you seen him? You saw him! Oh my word, you did it. You brought him back!”Ingrid reveals that she is Bob Gray's daughter, who performed as Pennywise the dancing clown in the carnival and also inspired It's favorite guise. Lilly also realizes that it was Ingrid, dressed as Pennywise's aide Periwinkle, who followed the kids in the cemetery and snooped on Will Hanlon from the window of his house.This chilling detail took us back to the cold open in IT: Welcome to Derry Episode 6, where a young Ingrid overhears Mabel describing a dancing clown to the doctors. While Mabel's doctor dismisses her clown talk, a young Ingrid is convinced that the clown is her father and takes Mabel to the asylum boiler room at night.Coming back to the cold open, It comes in his iconic guise and offers a red balloon to a scared Mabel, who is accompanied by an intrigued Ingrid, still convinced that the killer clown is her father.However, Ingrid momentarily comes to her senses when Pennywise reveals his sharp teeth and launches itself onto the duo in IT: Welcome to Derry. Ingrid and Mabel make a run for it but the little girl is left in the boiler room, while her partner makes it out. Ingrid tries her best to open the door and save Mabel but we hear bone-crunching noises and screams, hinting that the inevitable has happened. IT: Welcome to Derry Episode 6 finally confirms that Mabel became one of Pennywise's victims after Ingrid sees blood coming out of the boiler room.Mabel's death holds a chilling reveal in IT: Welcome to Derry View this post on Instagram Instagram PostWhile Mabel's death was tragic in IT: Welcome to Derry, it becomes even more bone-chilling when Ingrid reveals that after this incident, she essentially turned Juniper Hill into a feeding ground for Pennywise. After It finishes his meat-chomping on Mabel, he turns into Bob Gray and peeks at Ingrid from the window, further manipulating her into believing that he is her father.In the present timeline, Ingrid says to Lilly:“It was him...And suddenly I felt whole again, for the first time since that awful day. But every time that he would return, this shadow would steal my father away. I had to find a way to free him. So I did what I had to, to see him again. If he could just see me once more as his Periwinkle, remind him of the love that we shared, I know that he’ll be able to break free.”This proves that Pennywise misused Ingrid's delusions and used her to hunt and feed on young children. Mabel's death initiated this chilling partnership between Ingrid and Pennywise.IT: Welcome to Derry releases weekly episodes on HBO every Sunday.For the latest scoops on your favorite TV shows and movies, follow SoapCentral.