The general public have a warped view of the speed at which an investigation proceeds. They like to imagine tense conversations going on behind the venetian blinds and unshaven, but ruggedly handsome, detectives working themselves with single-minded devotion into the bottle and marital breakdown. The truth is that at the end of the day, unless you've generated some sort of lead, you go home and get on with the important things in life - like drinking and sleeping, and if you're lucky, a relationship with the gender and sexual orientation of your choice.

Are they really gods?" "I never worry about theological questions," said Nightingale. "They exist, they have power and they can breach the Queen's peace - that makes them a police matter.

Coffee arrived and the espresso was excellent, like an aromatic electric fence.

If you ask any police officer what the worst part of the job is, they will always say breaking bad news to relatives, but this is not the truth. The worst part is staying in the room after you've broken the news, so that you're forced to be there when someone's life disintegrates around them. Some people say it doesn't bother them - such people are not to be trusted.

Landscaping is the great cardinal sin of modern architecture. It's not your garden, it's not a park - it's a formless patch of grass, shrubbery and the occasional tree that exists purely to stop the original developer's plans from looking like a howling concrete wilderness.

It's a police mantra that all members of the public are guilty of something, but some members of the public are more guilty than others.

That which does not kill us has to get up extra early in the morning if it wants to get us next time.