He wraps her in a plastic tarp and places duct tape over her mouth and proceeds to stab her to death with a screw driver.
Jon is working as a barista when Delia comes in, flirts with him, and he imagines attacking her and quickly decides to make her his next victim.
Jon is visibly upset that she left, goes home and clears out the jars of body parts and paints the walls.
Jon calls and says he wanted to surprise her by cooking her dinner since he feels bad about standing her up the night before.
At Jon's place, Delia excitedly tells him about her new job, and she accidentally spills wine onto the carpet.
While she is waiting for Delia to pick her up, Lydia's stepfather has figured out her plan to run away and tells her he won't let her go and he rapes her.
Delia arrives at the house to get Lydia, and finds her body in the bathtub and sees that she has committed suicide.
A girl hits on him, thinking he is a professional baseball player for The Mets and he takes her home with him.
They wait for his train to come in and they strangle him, but they see he his still alive and stab him to death with a broken bottle.