As a domain expert in comic book lore and superhero narratives, I can provide an accurate response to your question regarding the character Uncle Ben from the Spider-Man series.

The killer of Uncle Ben is a burglar in the Spider-Man storyline. In the original comic book by Stan Lee and Steve Ditko, the burglar's identity is never revealed. This character becomes a pivotal figure in Peter Parker's life, as his death leads to Peter's realization that his inaction allowed a thief to escape, which ultimately resulted in Uncle Ben's murder. This tragic event motivates Peter to become the superhero Spider-Man, with the famous phrase inscribed on his memory: "With great power comes great responsibility."

In some adaptations, such as the 2002 film "Spider-Man" directed by Sam Raimi, the burglar is given a name and a backstory. In this version, the burglar is named Flint Marko, who later becomes the Sandman, one of Spider-Man's adversaries.

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His guilt over failing to prevent the death of Ben Parker became the motivating force behind Peter Parker's career as Spider-Man. In The Amazing Spider-Man Peter also has this realization. When he sees the police sketch of Uncle Ben's killer he recognizes him as the thief he didn't stop earlier.read more >>