Joining us on this week’s episode is journalist Robbyn Swan, author of Looking for Madeleine and who featured in the Netflix series The Disappearance of Madeleine McCann, to look over the history of the investigation. Are police making progress? Who is the suspect who has been linked to the case?

Fiona was last seen after leaving Butler’s Pub in Broadway, Co Wexford, on 8 February 1998.

Orlandi vanished on 22 June 1983 after leaving her family’s Vatican City apartment.

Madeleine went missing from her family’s holiday apartment in the Portuguese holiday resort of Praia da Luz in 2007.

The Mirror reported that police and divers in the Algarve region examined three disused wells on Thursday.

Three-year-old “Maddie” disappeared from the Portuguese holiday resort of Praia da Luz in 2007.

To date, the investigation has resulted in over 330 lines of enquiry being conducted.

It is the latest high-profile disappearance in China.

Bernadette Breen died yesterday peacefully at Our Lady of Lourdes Hospital in Drogheda.

David O’Sullivan disappeared while navigating the Pacific Crest Trail in California in April 2017.

There will be a media briefing held tomorrow morning.

Irish man Paddy Moriarty disappeared from his home in the isolated town of Larrimah on 16 December last.

Veronica, the Dowager Countess of Lucan, was found unresponsive by police at her home in Eaton Row in Westminster after she was reported missing.

Both men had been held over inconsistencies in their statements.

Maelys de Araujo was last seen at 3am local time on Sunday at the wedding venue.

Ciara Breen went missing more than 20 years ago, and the main suspect in her disappearance died last week.

Her parents say they haven’t lost hope of finding her.

The national insurance card of one of the family members was found 280km away from where the car was found.

Lisa Dorrian from Bangor disappeared after a party in 2005.

Gardaí switched the case to a murder inquiry in 2005.

Charles Brooke Pickard was bundled into the back of his own van in April 1991, and hasn’t been seen since.

Ben Needham, who was 21 months, was last seen at the site on the island of Kos in 1991.

The 38-year-old was arrested on suspicion of preventing a lawful burial and perverting the course of justice.

DNA evidence from the missing boy’s bag wasn’t linked to ‘any named person’.

A new report shows that hundreds of students, political activists and protesters have vanished.

Philip Cairns went missing from Rathfarnham on 23 October 1986

The aircraft lost contact with air traffic control eight minutes after taking off.

“But here I am, all these years later, a man in my 70s, wondering what became of my 16-year-old brother almost 70 years ago.”

Paschal Delahunty, who for many years lived under an assumed identity, has been told that he can no longer stay in the US

They are feared to have been detained by Chinese authorities.

That number has been cut from 29.

The 13-year-old went missing 29 years ago this month. Gardaí are still actively investigating his disappearance.

“He may have looked for a lift, for accommodation or for work.”

The man has been missing since last month and was last seen in Ballyfermot.

The 15-year-old was last seen in Balbriggan on Monday.

The man was last seen at his home yesterday.

The 18-year-old went missing in 1998 and no trace of her has ever been found.

The body, believed to be convicted killer, Arnis Zalkalns was found a mile from where the teenager’s body was found.

He will appear before a special sitting of Galway District Court this evening.