There appears to be an update:
Turkish police told MailOnline they have only made public five per cent of what they know about her murder
Though authorities will not have results for two weeks, they have managed to narrow it down to a small group of Sarai Sierra's internet contacts as well as a homeless person who was at the scene when her body was found.
One person who is believed to be talking to investigators is Ammer Reduron, who Sarai connected with on Instagram in the months before her trip and stayed with while she was in Amsterdam.
Little is known about the 32-year-old Dutch national, but last year he posted on a site similar to Craigslist that he lives in an immigrant ghetto in Amsterdam called Zuidoost.
Though his Facebook page lists that he works for Cisco Systems, the company's international headquarters told MailOnline there was no information for him in the company directory.
Last week, Reduron claimed he was not a suspect and admitted Sarai stayed with him when she went to Amsterdam on a side trip - also saying her husband Steven knew this and was OK with it as the two were friends.
'Taking care of her,' he said last week. 'Meaning showing my city and being a good friend to her. She had a wonderful time here.'
On his Facebook, the 32-year-old 'checks in' at Amsterdam airport on January 15, which is purportedly when he went to pick up Sarai.
On January 23 - ten days before her body was found, Sarai's sister Christina Jiminez become Facebook friends with him.
Police however, are giving little away as to what they have uncovered in the investigation.
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