could you tell us where you found this info? i haven't seen it mentioned in any of the articles. i could have missed it thought. thanks.
Not answering for anybody, but here is confirmation that Lori had known both Lumpkin and his wife for a while.
"A close friend and neighbor of Arrowood's, Terri Groover tells News 3 she's in shock right now. "I don't know what to think, I know the Lumpkin's as well. We all have known each other for quite some time."
http://www2.wsav.com/news/2010/sep/29/6/man-charged-connection-death-missing-army-wife-ar-894802/