Thin Blue Line Edit Meaning

1.

UK useage.

The police in an area notorius for it's highcrime rate eg Whitechapel in East London, The Barton Hill area of Bristol, Bootle in Liverpool, the cornish town of Bude etc.

So called because said police see themselves as the only thing preventing an out break of anarchy

With 19 muggings, 34 assaults, 4 street fights, 7 car jackings, a rape, a murder and only 6 police the thin blue line is being streached tonight.

See black flag

2.

the banding of all cops in any state despite right or wrong. The reason why NYC police only have cameras in their highway cars

All police rely on the thin blue line