Story from 1982 when my then girlfriend(now wife) decided to take our 18 year old selves from little hick town Wisconsin to Chicago and stay near Ohare and take the subway(El train) down town to go the Sears Tower and museums.
The trip started with the cops banging on our hotel room door at 2am looking for a robbery suspect. Then we got on the subway at Ohare and the stops got progressively worse till we got off downtown and had to walk around the drunks sleeping on the stairs.
Was walking past an alley near the Sears building in bright daylight and a cop saw us looking down the alley and told us not to go there.
Needless to say it was an eye opening experience traveling there as a youngun from lilly white wisconsin.