12.45pm: ROCKHAMPTON Police now want the public to come forward with information about two vehicles they believe have strong links to missing pair Chantal Barnett and Robert Martinez.

Police have identified a 2004 Mitsubishi Magna sedan, with mag wheels, and a Toyota Hilux with an orange light on the roof as their latest clues to Chantal and Robert.

CIB boss Detective Senior Sergeant Scott Moon urges anyone who saw vehicles of a similar description in the Yeppoon and Rockhampton regions to call Crime Stoppers on 1800 333 000.

See tomorrow's Morning Bulletin for more from Robert's and Chantal's families, 12 months after they went missing.

9am: THE FAMILY of missing Rockhampton pair Robert Martinez and Chantal Barnett are expected to talk to the media this morning close to the anniversary of Robert's car being found.

Chantal was last seen on February 28 and she called her sister on March 2.

Robert was last seen by his mother Julie Martinez on March 1.

Police have searched a number of areas across the region during the investigation so far.

Robert's car was found at Gavial Creek, at the end of Quay St on March 17.

On September 10, after a number of searches and the case went nationwide via Channel Ten's program Wanted, police announce they have started treating the case as a double homicide.

Eleven months on and two people have gone forward to give police ground-breaking information about the pair's disappearance.

The Bulletin will be Live Video Streaming this morning's press conference with the Martinez and Barnett families, and police.

Watch here to see if there are any new developments in the case.