UK Riots Aftermath and Repercussions

A month after the riots that shook Britain and shocked the world the desperate search for answers, cause and effect continues. British Justice Secretary Kenneth Clarke has made one suggestion after revealing that 75% of those aged 18 and over arrested during the riots had prior convictions.
The conclusion he reaches? There means the problem must be with the penal system, because if all the rioters, looters and violent thugs had already been behind the riots may never have happened.