Men are less likely to talk than women with 54% of women having had a conversation compared to 37% of men.
Two Men Confess To Hannah Witheridge Killing
A second man has reportedly confessed to the killing of University of Essex student Hannah Witheridge, from Yarmouth.
Thai police say two Burmese immigrant workers have confessed to killing 23 year-old Hannah, from Hemsby and 24 year-old David Miller.
Their battered bodies were discovered on a beach on Koh Tao on September 15.
Post-mortem examinations revealed that Hannah died from head wounds, while Mr Miller, from Jersey, was killed by severe blows to the head and drowning. A bloodstained garden hoe was found near the scene.
Major General Kiattipong Khawsamang said that two of three Burmese workers questioned by police admitted murdering the couple. He said the other man denied involvement.
Police have previously said they believe three people were involved in the attacks.
Speaking to the Bangkok Post, Lieutenant General Panya Mamen, commissioner of Provincial Police Region 8, said: "Two of the suspects raped and killed Witheridge while another one witnessed the murder."
Officers have collected 200 DNA samples from people on the island after two different semen samples were obtained from Miss Witheridge's body.
Lieutenant General Jaktip Chaijinda said police will wait for the results of DNA tests from the suspects to see if they match the samples.
Mr Miller's father Ian has said he believes his son stepped in to help Miss Witheridge.
Last week police colonel Kissana Phathanacharoen said a reward of 700,000 baht - roughly #13,300 - was being offered for information leading to the arrests of the killers.
Around 150 police officers were posted to Koh Tao as part of the murder investigation.
Theresa May has now signed a letter to trigger Article 50, the start of the official process to leave the EU.
Three people have been arrested after anti-deportation protesters locked themselves to a plane at Stansted Airport.
A police officer has been dismissed from Essex Police for gross misconduct after admitting criminal offences.
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