They have scoured court records from Cleveland to Jefferson County, Alabama, to throw light on the darker side of the business.

ECONOMIST: Management consultants and their clients

Occasionally cases come to court which throw light on a system of patronage and nepotism which means everyone who is anyone in Iranian society has some kind of connection to the ruling mullahs.

BBC: Changing money is supposed to have got easier

But they believe a trial might throw light on why the Khmers Rouges sought to bring such misery to the country.

ECONOMIST: Cambodia

He asked Isaacs if he could "throw any light" on the identity of Webster, who was referred to in the essay, but Eliot was unable to remember.

BBC: TS Eliot