A short BBC report on policing in Pakistan's biggest city, based on a World Service programme. A very thin "blue line" and as for the courts, incredible:http://www.bbc.co.uk/news/magazine-30115827

Starts with:
Pakistan's police are on the front line battling the Taliban. Not just in the remote north of the country, near the border with Afghanistan, but in Karachi, the country's economic and cultural heart.

He is open about the use of what he calls "arm twisting". He admits waterboarding is sometimes used, and I spot a taser gun in his hand although I do not witness him using it...

It can often take 10 years or more for a case to go through the courts.
Nothing startling if you know about policing there, but a good illustration of how Pakistan works, plus comments from a suspected Taliban member.