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Chariset
Since: Jan, 2001
2011-12-09 14:10:38
I think it's related to Mama Didn't Raise No Criminal or Parental Obliviousness (where the person really did have enemies or was involved in unsavory dealings but the family is in denial or in the dark about it).
Asshole Victim is the inversion, where everyone hated X and therefore the list of possible suspects is huge.
spoofehness
Since: Jun, 2011

A murder occurs, the police ask around the family/aquaintences of the victim and asks "Did he/she have any enemies?" invariable response: "No... Everyone loved X"