Joining the Police Force, Solving a Major Dismemberment Case from the Beginning.

Summary

Han Xu discovers a potential crucial clue in Yang Lu's online course software profile picture - a selfie revealing a partial view of clothing with a colorful butterfly pattern. This pattern is significant because it doesn't match any dress in Yang Lu's wardrobe, suggesting the killer might have taken or worn a dress with this distinctive design. Han Xu's keen observation and detailed analysis of the avatar reveal a potentially important piece of evidence in the investigation, demonstrating his exceptional investigative skills and attention to minute details that others might overlook.

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