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Rick Perry plans to turn himself in to authorities for fingerprinting and a mug shot on Tuesday, Reuters reported.

The Texas governor he was indicted by a jury in the state last week on two felony charges of abusing power, local news reports said.

Rick Perry, 64, is due to be arraigned on Friday.

The indictment has cast a shadow over Rick Perry’s possible bid for the Republican presidential nomination, with experts predicting that legal wrangling in the case is likely to stretch into the 2016 election cycle.

Rick Perry plans to turn himself in to authorities for fingerprinting and a mug shot

Rick Perry plans to turn himself in to authorities for fingerprinting and a mug shot (photo Getty Images)

Rick Perry was indicted on August 15 by a grand jury in Travis County, a Democratic stronghold in the heavily Republican state, over his veto of funding for a state ethics watchdog that has investigated prominent Texas Republicans.

The governor has called the indictment politically motivated and pledged to fight the charges.

Rick Perry became the target of an ethics probe last year after he vetoed $7.5 million in funding for the state public integrity unit run from the Travis County district attorney’s office.

The veto was widely viewed as intended to force the resignation of county District Attorney Rosemary Lehmberg, a Democrat, after she had pleaded guilty to drunken driving but remained in office.

Democrats have said Rick Perry may have been looking to put an ally in charge of the unit, extending what they say is cronyism in his administration.

Rick Perry faces a prison sentence of five to 99 years.

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Brazilian doctor Thaune Nunes Ferreira, faces charges of fraud after being caught on camera using silicon fingers to sign in for work for absent colleagues, police say.

Thaune Nunes Ferreira, 29, was arrested on Sunday for using prosthetic fingers to fool the biometric employee attendance device used at the hospital where she works near Sao Paulo.

She is accused of covering up the absence of six colleagues.

Her lawyer says she was forced into the fraud as she faced losing her job.

The local public prosecutor’s office opened an investigation on Monday.

Brazilian doctor Thaune Nunes Ferreira, faces charges of fraud after being caught on camera using silicon fingers to sign in for work for absent colleagues

Brazilian doctor Thaune Nunes Ferreira, faces charges of fraud after being caught on camera using silicon fingers to sign in for work for absent colleagues

Thaune Nunes Ferreira,  was arrested by the local police following a two-week investigation in the town of Ferraz de Vasconcelos, and was released on Sunday.

Police said she had six silicon fingers with her at the time of her arrest, three of which have already been identified as bearing the fingerprints of co-workers.

The town’s mayor, Acir Fillo, has also asked five employees of the medical service said to have been involved to step aside, while the local council has launched a public inquiry into the matter.

Brazil’s ministry of health has said it will launch an inquiry of its own into the local hospital.

Acir Fillo says that the police investigation showed that some 300 public employees in the town, whom he described as ”an army of ghosts”, had been receiving pay without going to work.

A council spokesman has said that among those believed to be those “ghost employees” – as Brazilians call informally those who receive regular wages without actually showing up for work – are public workers in the areas of health, education and security.

American Hans Galassi lost several fingers in a wakeboarding accident several months ago. Now one of them has been found in a trout – and identified as Hans Galassi’s from its fingerprints.

So how long do fingerprints last?

The vast majority of people are born with a unique set of fingerprints which remain the same for life.

These patterns, known as friction ridges by experts, are found not only on our finger-tips but also on the flanges of our fingers, on our palms, our toes and on the soles of our feet.

The patterns are permanent, but can wear down. Builders who lay bricks and people who frequently wash dishes by hand lose some of the detail. Once they stop these activities, the ridges will grow back.

As fans of crime movies will know, from time to time people have tried to change their fingerprints patterns artificially.

A deep cut through the outer layer of the skin, the epidermis, and down to the dermis leaves a scar that will change a fingerprint, but not make it any less unique.

People have also sought to erase their fingerprints by burning the finger-tips with fire and acid, as the notorious 1930s American gangster John Dillinger did. It works for a while but the skin grows back.

The vast majority of people are born with a unique set of fingerprints which remain the same for life

The vast majority of people are born with a unique set of fingerprints which remain the same for life

Another criminal, Robert Phillips, famously grafted skin from his chest on to his fingers to erase his fingerprints – but he was identified from the prints of his palms. Others have tried smoothing their finger-tips with glue and nail varnish. Again they were caught from palm prints.

Friction ridges are remarkably long lasting even after death, says fingerprint expert Allen Bayle, author of the UK’s standard police manual on dead hands.

“If a hand is found in water you will see that the epidermis starts to come away from the dermis like a glove. This sounds gruesome but if a hand has been badly damaged, I cut the epidermis off and put my own hand inside that glove and try to fingerprint it like that,” says Allen Bayle.

“Some boys we get out of the water, the fish have been at them already and the fish will have pecked at the epidermis. But you can still get ridge detail from the underside of the epidermis. And if that has gone, then you can do the dermis. For every ridge you have on the epidermis, you have two on the dermis – we call it a tramline effect.”

The speed at which a hand disintegrates in water depends on many things, not least the temperature of the water itself.

“If the water is very cold, it could stay for a long time,” says Allen Bayle. And the body of a trout, the fish that swallowed Hans Galassi’s finger, is just as cold as the water it swims in.

Hans Galassi’s finger was found in the trout’s digestive tract – why hadn’t it been digested? We shall never know how long after the accident the fish ate the finger, but Allen Bayle thinks even if the thick layer of epidermis had been digested, Hans Galassi’s finger could still have been identified from its dermis.

“We can cast [the finger], for example in latex, and then we can ink the cast. Or we can ink the dermis and roll it on a fingerprint form. When we have got some ridge detail then we can put it on the computer.”

In the case of Hans Galassi, Idaho police took a day searching case files and reports to narrow down where the finger could have come from. They then fingerprinted the stray digit and sent it to the state police forensic lab where technicians were able to identify its owner.

“One of the last things to disappear when you die are your fingerprints,” says Allen Bayle.

“They’re very durable.”

How fingerprints are made?

• Begin to form in womb in seventh week

• Product of both genes and embryo’s movements in womb

• So identical twins don’t have same fingerprints

• As hands and feet grow, details of friction ridges stay constant

The answer:

• Fingerprints last a lifetime and grow back if they become worn down

• They can survive long periods in water, as long as it’s cold

• On a corpse, both topside and downside of the epidermis (outer skin) can provide a fingerprint

• On hands and feet the dermis (inner skin layer) is also ridged and can be used to create a negative of the pattern on the epidermis