Yes, the chest is empty…
…but for a “framed newspaper?” Because that’s what you did with newspapers back in the day, right?
The robbers all escaped…
… until they didn’t, or at least two didn’t escape… because they were shot. But given the age of the “Bearded Stranger” then, and Doc now, I am guessing he is dead. So tell us Mark, tell us what you “understand” now…
The Daily Trail 
So, will Doc try to turn himself in as an accomplice after the fact? Maybe he and JJ can share a “double” at the County Workhouse.