Use a commercially available computer search program that checks for mileage alterations.

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Only a handful of officials who have undergone FBI background checks can access the computer, Ferrara said.

CNN: graphic

Ministers said that computer modelling shows that offering the checks to those aged 40 to 74 - approximately a third of the population - will save 2, 000 lives a year and prevent 9, 500 heart attacks and strokes.

BBC: Health screening for the over-40s

But when a claim comes into a private company it is entered into the computer system, which performs several routine checks.

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His co-pilot acts as a look-out and checks that the information from the computer is correct.

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Three layers of checks must be passed before an aglet is allowed access to a computer, and one of these layers can be customised for example to reject aglets whose owners do not have subscriptions to a commercial database.

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And in a conversation February 2 with an avid Facebook user, I learned that she keeps the site on her computer all day while at work and in her free time she looks at photos and checks on the evolving status of her friends.

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The state's computer processed the returns -- spitting out those threatening letters -- without waiting for the checks to arrive.

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In one corner, a teacher checks out one of the molecule models printed by a colleague and starts chatting with a computer science engineering student who's fiddling with the 3D scanner nearby.

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