The mystery of the Miami murders

It was the night the music died: July 31, 1975. Exactly 30 years ago today. By 1975, the North might have imagined it had endured all possible horrors.

Bloody Sunday had given way to Bloody Friday. Other smaller-scale Bloody Mondays and Tuesdays took place almost every other week.

We all knew that sudden inexplicable death lurked behind hedges and under road culverts, and that streets could be reduced in a flash to a ...