I started reading The Thin Blue Line and couldn’t quite get why it was taking so long to get to The Thin Blue Line.

(Spoiler alert - he never does - though it’s the same thin blue line - it’s a different thin blue line.)

“The ‘thin blue line’ is a term that typically refers to the concept of the police as the line which keeps society from descending into violent chaos. The ‘blue’ in ‘thin blue line’ refers to the blue color of the uniforms of many police departments.