Category Archives: DNA

"We are getting closer to solving this case," Deputy Prime Minister and Defence Minister Prawit Wongsuwan said yesterday, "Now, we know for sure that the culprits are Asians".

The bodies of the two Britons were found on the island's beach early Monday.

Prawit, however, declined to give any specific timeframe for the arrest of the culprits.

"We have already dispatched experts from all relevant fields to the crime scene. They are doing their best," he said.

The brutal killings of the tourists have made headlines in both local and international media. Evidence suggests that the female victim was sexually violated.

The Office of Police Forensic Science chief, Lt-General Kamrop Panyakaew, disclosed that a unit under his office's supervision had been assigned to collect DNA samples of all people on Koh Tao.

This move is in addition to the collection of DNA samples from 30 suspects earlier.

"We will submit one set of DNA samples and wait for their results before collecting another set of samples. We will do this until we find the culprits," Colonel Chaiyasak Uakrissadathikarn, the deputy chief of the local forensic science unit, said.

Provincial Police Region 8 chief Lt-General Panya Mamen has now also ordered police to trace workers on fishing trawlers who had stopped by on Koh Tao on the day of the crime, according to Chumphon police chief Maj-General Suttinat Sudyod.

Koh Tao is also near Chumphon province. According to Suttinat, police are looking for possible clues from coastal fishermen's villages and fishing trawlers' crewmen, too.

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DNA samples to be sought of all Koh Tao residents

Prosecutors in Boston were forced to put a rape suspect on trial three times before jurors were willing to convict him a decade ago. It wasn't due a lack of evidence, but because the suspect was an identical twin.

Similar cases have popped up elsewhere, illustrating the challenges of prosecuting a twin. Because identical twins come from a single fertilized egg, standard DNA testing has not been able to differentiate between them.

But Boston prosecutors who have struggled twice in the last decade with such cases believe they have a new tool to persuade jurors: cutting-edge DNA testing they say can distinguish between identical twins.

"The science behind this testing has been used in research, in paternity tests and in a variety of other capacities," said Jake Wark, a spokesman for Suffolk District Attorney Daniel Conley, whose office is now prosecuting Dwayne McNair, a twin who is charged in the rapes and robberies of two women in 2004.

"The forensic application is novel, but it's supported by a widely accepted scientific foundation," Wark said.

McNair was scheduled to go on trial last April. But after prosecutors heard about the new DNA test done by a German company, Eurofins Scientific, they decided to temporarily withdraw the charges against McNair so they could get a new round of testing done on DNA taken from a condom used in one of the rapes. Eurofins says it has been able to identify genetic mutations to differentiate between twins.

Prosecutors re-indicted McNair earlier this month after the new test results pointed to McNair and ruled out his twin brother, Wark said.

Boston prosecutors have been through this before. In 2004 and 2005, two different juries were unable to reach verdicts in a rape case against another twin, Darrin Fernandez. Several jurors later said they could not reach unanimous verdicts because DNA found on the victim's pillowcase could have come from either Fernandez or his twin brother. Fernandez was convicted after a third trial.

Authorities in other states have also struggled with prosecuting twins in cases involving DNA evidence.

In Colorado, a former Army officer blamed his twin brother for a string of sexual assaults on young girls.

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New DNA test brings charges in twins rape case

The DNA Project helps South Africans deal with forensic evidence
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The Coming Revolution in Wave Biology - Interview with Dr. Luc Montagnier
August 20, 2011 - LaRouchePAC - Nobel prize-winning biologist Luc Montagnier has demonstrated the ability of DNA to communicate by low-frequency radio waves, and to impart to water a persisting...

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MY FIRST TIME: Taking a DNA test
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Crooks and Castles DNA Monster Headphones review
Hey guys, in this long awaited video I got my DNA headphones, and they look and feel amazing. I just want them to be all over my body. I hope you guys enjoyed the video, and have a great day.

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Crooks and Castles DNA Monster Headphones review - Video

PAA New cutting-edge DNA tests can identify genetic mutations to differentiate between identical twins.

US prosecutors say they have a new tool to persuade jurors in cases involving twins: cutting-edge DNA testing that can identify genetic mutations to differentiate between identical siblings.

Boston prosecutors re-indicted a rape suspect earlier this month after receiving new DNA test results they say pointed to him but ruled out his twin in two rape cases in 2004.

Dwayne McNair, of Dedham, pleaded not guilty on Monday and is being held on $US500,000 ($A540,980) bail.

Boston prosecutors had a similar case a decade ago. Other cases have popped up in other parts of the US, showing the challenges of prosecuting a twin.

Standard DNA testing has not been able to differentiate between identical twins because they come from a single fertilised egg.

"The science behind this testing has been used in research, in paternity tests and in a variety of other capacities," said Jake Wark, a spokesman for Suffolk District Attorney Daniel Conley, whose office is now prosecuting McNair.

"The forensic application is novel, but it's supported by a widely accepted scientific foundation," Wark said.

McNair was scheduled to go on trial last April. But after prosecutors heard about the new DNA test done by a German company, Eurofins Scientific, they decided to temporarily withdraw the charges against McNair so they could get a new round of testing done on DNA taken from a condom used in one of the rapes. Eurofins says it has been able to identify genetic mutations to differentiate between twins.

Prosecutors re-indicted McNair earlier this month after the new test results pointed to McNair and ruled out his twin brother, Wark said.

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Prosecutors have new DNA testing for twins

Semen found on the body of one of the two British tourists murdered on Koh Tao in Surat Thani province last Sunday will be examined in a Singapore laboratory, national police chief General Somyot Poompanmoung said yesterday.

Somyot said the DNA test would be able to identify the race, hair colour and skin colour of the person, which would help with the police investigation.

It is understood cigarette butts found at the crime scene will also be sent to Singapore for DNA analysis, although Somyot did not mention the butts in his remarks to reporters yesterday during a visit to the island.

Somyot had earlier said the authorities would ask the United States' Federal Bureau of Investigation to conduct the test, as the police's Institute of Forensic Medicine's DNA test was capable of only identifying the sex.

He said police had clues that pointed to the perpetrators of the crime being Asian men and he was "confident" they remained on the island in the Gulf of Thailand. Surveillance camera footage obtained one day after the brutal slayings showed an Asian-looking man running from the scene.

Somyot was speaking on Koh Tao, where police investigators simulated the crime using a few scenarios.

They were: the attackers followed the victims from a bar; the attackers randomly selected them after spotting them walking; with police following the route they suspect the attackers took before they killed the victims on the beach.

Somyot said police were trying to pinpoint how long the attackers were at the scene based on cigarettes that were discarded there. Police found, through DNA analysis, that one of the cigarette butts was smoked by two people, and semen from both men was found in the female victim's body.

Somyot said a theory had been established about another possible weapon used in the murder apart from a blood-stained garden hoe found near the crime scene. The theory centred on the weapon being returned from where it was taken from in a hurried manner.

Three musicians played at beach

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DNA tests will be done in Singapore