S.O.P. in Chicago of the 60's and 70's
I suppose they could have turned the firehoses and dogs on them like they did in Birmingham. Shades of Davis' threat to have troops fire on women and children during the Richmond Bread Riots?
Irrelevant, red herring -- the point is that Lincoln's associates were thuggy and liked machine, wired-up arrangements.
They made it so, in Chicago.