Since the crime still hasn't been solved, and the home was also the actual crime scene, might the new owners have to look forward to being subjected to periodic visits from detectives to do further investigation? That would/could be an annoyance.
The situation would probably be worse if it was a random home invasion and murder instead of appearing to be a crime against a pre-determined victim, or a family member. It doesn't sound like a high crime area. Was it made to appear as a bungled burglary?
If the Owner was one of those murdered, who are you working for? . . . . or who is selling it? Hopefully, not a suspect or "person of interest".
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Dale C. Hittle of GOLDEN RULE PROPERTIES in Glover, Vermont
Where We're Always Striving To Put Together "THE FAIR DEAL"