One particular dead body is very obviously breathing.
The news story underneath the headline "Pool Hall Torn Apart by Vicious Mob" is about the '60s space race.
The news story underneath the headline "Five Cars in Lots Burned by Hoods" covers the funeral of seven children from the Richardson family, where a Florida father, James Richardson, was sent to death row for killing all his kids with parathion in 1967. He was set free in 1989 after the babysitter he hired confessed to the crime.
The news story underneath the headline "Restaurant Owner Brutally Beaten and Burned by Wild Mob" is a political story involving Lyndon Johnson and Robert Kennedy.
Various camera shots in the same outdoors scene alternate between it being pitch black in the middle of the night, and very early morning with some light.
The band in the club near the beginning is sometimes seen in the background not playing once the dialogue begins, despite no break in the music.
The street cop says "What are you doin' to my hat" before one of the punks in the Mustang convertible actually grabs it off his head.