The reason a colonoscopy is recommended for those over 50 is because, with age, we are more likely to have these pre-cancerous polyps in our colons just as we are more likely to find pre-cancerous growths on our skin.
The report, which also blamed insufficient regulation as a reason for the disaster, has recommended a standardization of procedures related to the events that led to the spill such as testing cement barriers and interpreting the results of those tests.
Now, what Mukasey said today was that that investigation recommended, and he agreed that there was enough reason to think a crime had been committed to take the next step.
The same game is played by some of the cruise lines when they tell their passengers that certain shops in port are recommended for their good deals, when in reality there is a more basic reason for the referral: money.