My theory after five years and ten quadrillion infinity articles, links & discussions:
I HAVE NO IDEA WHO BG IS.
It could be someone known to LE (and LE is waiting on more evidence, something to seal the deal), or BG is completely unknown to LE.
He could have been previously interviewed and/or investigated during the course of this investigation, or not.
Abby and Libby could have been random victims or pre-targeted.
BG could have planned it, or it could have been a crime of opportunity.
The killer could be younger or older or in between.
The killer could be from the area, or not from the area or in between.
The killer could have a criminal record, or not have a criminal record.
The killer could have been on LE’s radar for another previous crime before the girls’ murders, and LE just hasn’t made the link yet, or not.
The killer could currently be on the radar for an unconnected crime committed since the girls’ murder, and possibly not charged or convicted(yet), or not.
BG could convicted of and be in custody for another crime, or not in custody for another crime.
LE might have the killer’s DNA, or they might not have the DNA.
The killer could be linked to other unsolved cases, or not be linked to any unsolved cases.
The killer could be linked to a since solved case, or not linked to since solved case.
The killer could be married or single or divorced.
He could have kids, or not have kids.
He could have been in a vehicle, or he could have been on a bike, or motor cycle, or camper, truck, bus, foot for that matter. Did we rule out the canoe theory, I ask half facetiously.
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Was he in the area for work?
Was he off that day?
Does he have a job? If so, what job? Is his job seasonal, or contractual. Or is it more steady as far as locations goes.
Does he live in Indiana or another state?
Does he family in the area? Is he from the area? Is he still from the area or does he live somewhere else now.
Did he plan to be on the trails on that day or was it a spontaneous trip. And if he planned it, when did he plan it.
What is COD?
Has sexual assault been confirmed?
Is he a drifter or does he have a house, apartment, homeless, tent, train...
And what’s the deal with that weird PC.
Have they been able to definitively rule out prior POIs, like JBC or CE for example?
Etc, etc, etc...
Of course I have certain inclinations I lean towards (as we all do, as I said before I think BG is likely older IMO, likely seasoned predator, maybe even SK, and the girls were random victims of a planned attack to rape and kill somebody. But again, it’s all opinion and now the deal with KAK/Shots
It’s all over the place, and really I could go on forever with the questions..
So yeah, point is, I have no idea. JMO. None of us knows anything for sure beyond what LE has told us.
Also as I stated before, I haven’t processed or wrapped my head around the KAK and shots thing yet. I’m letting it “sit” for a while and just reading here before I attempt to make any connections or posts about it.