15 years ago, 23-year-old Norwegian student Martina Vick Magnussen was killed in an apartment near Mayfair.

23-year-old Martina Vick Magnussen was found partially buried in the basement.

Before being questioned, the only suspect in the case had fled the UK to Yemen.

I made a promise to Martina's family to find out what happened.

Murder in Mayfair, part of the documentary, find it wherever you get your BBC podcast.

Welcome to the inquiry with me, Casa Alon.

Each week, one question, four expert witnesses and an answer.

It's the 9th of February 2023.

Three days after the most devastating earthquake in Turkey's history,

and President Recep Tayyip Erdogan is visiting one of the sites.

Once a place of homes, shops and laughter, now it's full of overturned cars,

rubble and sorrow.

As Erdogan walks through the wreckage in a smart black woolen coat and shiny shoes,

an old woman in a headscarf embraces him and bursts into tears.

It's unclear whether she's angry to see him or relieved.

50,000 people have been killed, nearly 3 million homeless,

and the damage runs into their tens of billions of dollars.

Fingers are pointing at the poor quality of the buildings

and government contracts handed out to those who built them.

Erdogan admits that the relief efforts were too slow,

but rejects it was the government's fault.

He tries to reassure those affected, but now he is there.

...