What I'd like to know is how them bushwhackers knew jus' where to lay down an' wait for Oliveri." 
I know just how they managed to find out where to wait for Oliveri. 
mnli hypothesis: I know just how they managed to find out where to wait for Oliveri.  premise: What I'd like to know is how them bushwhackers knew jus' where to lay down an' wait for Oliveri." 