Well done to the police for arresting a likely suspect. I hope that they do have the right person and that, if he is found guilty he serves a very very long time in prison.

It does worry me that the police took this as the opportunity to take DNA samples from 2,000 innocent black men living in the area (which will be stored on police records for at least 6 years).

I know that many people believe that keeping DNA samples is reasonable, but the police deliberately targetted local black men in this operation, and I am concerned that with this situation we now have a two-tier criminal justice system. If you are a black man in the area who commits a crime you are now far more likely to be arrested than a White person who commits the same crime. And no doubt future crime statistics will tell us that most convicted criminals are black men.