Catch dogs

I read on another forum once where years ago if I recall correctly it was the Miller Brothers School of Hound Training, they had a curious attraction to the stories of these extremely smart hounds and wanted to know what made these dogs so smart, every account they heard of one of these brilliant hounds they would load up and drive wherever this hound was to study it and see it trying to piece together what made these hounds stand apart from the others, they looked at a pile of dogs over time of various breeds and crosses and used for various game, the only common denominator was all these hounds were raised in the house and most ran loose at home, but every single dog they studied had been raised in or around the house as a member of a family...