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- Dec 21, 2018
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The unknown male DNA from the blood sample on the banister is yet another string of spaghetti, thrown against the wall, by the defense in hopes that it may stick, and cast doubt on BK's guilt, may point to someone else, anyone else. That blood spot could have been left by any male who had been in that house over the course of probably many months, and it was in a part of the house that the killer was not even known to have been. No amount of DNA anywhere in a house of socially active college students changes the fact that BK's DNA, and only BK's DNA, was found, on the sheath of the knife that was used to murder the four young people, and was found in the bed of two of them, not on some random handrail in a part of the house away from any of the murders.
At this point, the defense is hoping that, if enough strings are thrown against the wall, something may stick. I would suggest that they are going to need a lot more spaghetti.
They are looking for a "smoking gun" connection where none exists.
A "smoking gun" would be unknown DNA on the sheath. The general public isn't meant to touch a knife sheath under a victim in her private room.
But it is pretty normal for visitors to touch gloves and banisters in the public areas of the house.
2 Cents