AS FAR BACK AS 1979.
ROGER EVANS Missing People Ref 96-000658 Roger was a mature student at Aberystwyth University when he went missing.
On January 16, 1996, the 46-year-old's car was found on the shores of Borth beach but he was nowhere to be seen.
JOHN KELLY Missing People Ref 12-003093 Went missing on February 1, 2003, aged 39, from Swansea.
KEVIN THOMAS Missing People Ref 11-002448 Kevin Thomas was reported missing on Tuesday, March 1, 2011.
Police officers believe he was last seen at Ladbrokes in Swansea city centre's Union Street the day before.
The 45-year-old is 5ft 8in with grey hair and was last seen wearing his council work uniform.
DAVID JONES Missing People Ref 12-002058 Went missing on December 8, 2010, aged 38, from Carmarthenshire.
JEROME THOMAS Missing People Ref 01-000028 Jerome was 15 when he went missing on New Year's Day in 2001 in Cardigan.
He has an olive-skinned complexion and a distinctive one-inch scar which runs across his cheek from below his nostril. There have been unconfirmed sightings in the past including in Portugal.
ROBERT WILLIAMS Missing People Ref 02-000551 Went missing on March 28, 2002, aged 15, from Neath.
CHRISTINE BRACKEN Missing People Ref 16-003178 Went missing on May 19, 1979, aged 39, from Swansea.
PARVIN SINGH Missing People Ref 11-001070 Went missing on March 24, 2011, aged 53, from Cardiff.
HAITHAM ABAKER Missing People Ref 16-006677 Went missing on February 24, 2016, aged 28 from Cardiff.
WILLIAM DAVIES Missing People Ref 97-000999 Went missing on February 19, 1997, aged 16, from Perthcelyn.
MINH TRAN Missing People Ref 15-009537 Went missing on November 10, 2015, aged 16, from Anglesey.
DOBIR MIAH Missing People Ref 02-001119 Went missing on June 8, 2002, aged 29, from West Glamorgan.