Mark Williams-Thomas interviewed family, friends and key witnesses in the days after Jay Slater vanished on the Spanish island last year

Jay Slater went missing last June(Image: Instagram)

An investigator digging onto the tragic disappearance and death of British teenager Jay Slater on the holiday isle of Tenerife, has revealed why the lad left a property alone.

Mark Williams-Thomas interviewed family, friends and key witnesses in the days after Jay vanished on the Spanish island, having been to the NRG music festival with friends at the Papagayo nightclub in the resort of Playa de las Americas on June 16 last year.

Jay went to an AirBnB apartment in the early hours of the next day, which was the last place he was seen alive before his body was found on July 15 by a mountain rescue team from the Spanish Civil Guard near the village of Masca.

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Mark Williams-Thomas has investigated the death of Jay Slater(Image: Stan Kujawa)

Now, Mr Williams-Thomas has revealed he spoke to Ayub Qassim who had rented the AirBnB about the last time he spoke to Jay, on the morning he left,

Mr Qassim said: “He (Jay) said to me ‘Pal I’m off, this woman told me I can get a bus every 10 minutes’, I told him that he’s mad, there’s no bus that’s coming here every 10 minutes, chill out for a bit and I’ll drop you off later on.

“He said, ‘No, no I’ve got to go to Los Cristianos, I need to scram, I need to chip out’. There’s nothing more that I could do.

“I saw him walk off maybe down the steps. I maybe shut the door and said if you need me…”

Ayub Qasim spoke to Mark Williams-Thomas(Image: YouTube)

That was the last time Jay was seen alive. Earlier, the youngster from Lancashire had sent a friend a photo on snapchat, revealing he had two knives at the AirBnB. He captioned the image: I’ve got these for my protection”.

Asked about the photo Mr Qassim said that he know nothing about it. “I was asleep upstairs this is the first I’ve heard of knives,” he said. “I let him come to my house.”

Mr Qassim was not present at the inquest into Jay’s death last month.

The hearing was adjourned at the request of the teen’s mum Debbie, who said it must not go ahead until multiple key witnesses are tracked down to give evidence.

In a tearful plea she called for witnesses who had been with her son on the island to tell what they knew. She said: “We want these people to be sat in front of us, because our son went on holiday and didn’t come back, so there’s questions we need to ask.”

She said the inquest must not go ahead until multiple key witnesses are tracked down to give evidence. It included her son’s friend Lucy Law, who is reported to currently be holidaying on the island, as well as Brandon Hodges and Bradley Hargreaves.