TV investigator building 'clear timeline' of the 24 hours before Jay Slater vanished

A seasoned TV investigator has pledged to 'build a clear timeline' of events leading up to the disappearance of Jay Slater in Tenerife.

Mark Williams-Thomas, an experienced investigator and presenter, landed on the Spanish island with a commitment to 'get answers for the family'. He was spotted conducting enquiries at the Masca holiday rental where 19 year old Jay was last seen on June 17.

Last week, Williams-Thomas revealed he had contacted Jay's mum, Debbie Duncan, promising to uncover what happened to her son. The search for Jay, who hails from Lancashire, is now entering its second week.

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It is believed Jay called his friend Lucy, who he was on holiday in Tenerife with, to say he was lost in a rural area, with only 1% battery left on his phone. Subsequently, his phone signal was detected in an open space approximately half a mile north of Masca village, within Rural de Teno Park, at 8.50am.

Approached outside the holiday rental yesterday, June 25, Mark said: "I don't want to talk in detail at the moment, but I've spent time with the family and my focus now is to build a clear timeline of the last 24 hours before Jay disappeared.", reports the Manchester Evening News.

He added: "My focus is very much to ensure that I'm here to support the family and work with the Spanish authorities to get answers."

Mark, who previously investigated the disappearance of Nicola Bulley and exposed former TV host Jimmy Savile as a prolific paedophile in his award-winning film in October 2012, said he would need just a few days to 'find out whether a third party was involved'. He also pledged to 'track down' the two men, believed to be British, with who Jay is said to have stayed in the Airbnb rental the night before he disappeared.

He continued: "I would quickly be able to establish whether or not there are suspicious circumstances - but I'd need total access to everything and to speak to all the witnesses involved.

"Having feet on the ground and looking at the scenario and circumstances, I know I will get to the bottom of this in three days. If the family work with me, I will get them answers. It is crucial for the family. It is difficult for them, dealing with foreign police who handle it differently."

Emergency services, including the Civil Guard, mountain rescue team and fire crews, continue their search of the mountainous area in the Rural de Teno park, which features steep and 'treacherous' mountains and ravines. Members of the search and rescue teams previously explained to the Manchester Evening News why the vast landscape is proving so challenging to search.

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