The article discusses why Negan killed Glenn in The Walking Dead. According to the comic book storyline, Glenn had to die to further the character journeys of Maggie and Negan and create conflict with Negan. Glenn's death also made Negan more dangerous. Although Abraham was initially killed to throw off comic book fans, Negan killed Glenn to make an example to Daryl. Glenn's death had a significant impact on Rick, Maggie, and Daryl, shaping their story arcs. Negan's decision to kill Glenn was essential for the larger storyline to unfold.