Anti-Islamic State fighter Ashley Dyball has become the second person to be arrested and charged over the disappearance of Brisbane childcare worker Samuel Thompson, the ABC understands.

Dyball, a Queenslander, fought against IS forces in Syria.

Police have confirmed a 25-year-old Albany Creek man was taken into custody on Friday night and charged with murder and interfering with a corpse.

A 23-year-old Bald Hills man has already been charged with murder and interfering with a corpse.

Mr Thompson, 22, was last seen driving in Brisbane's northern suburbs after leaving his apartment in Albion on March 7.

Missing 22-year-old Brisbane man Samuel Thompson. ( Facebook )

His distinctive car, a Ford Mustang with the licence plate SAMMO, was found abandoned near Byron Bay, in northern New South Wales, two days later.

Police suspected foul play early in the investigation, and used divers to search Deep Water Bend Reserve for Mr Thompson.

His body has not been recovered.

His car was parked at the location for more than 12 hours before it turned up in New South Wales.

Later, investigators posted footage of a white Chrysler 300 which had been following Mr Thompson's car on March 7, and said they wanted to speak with the driver.

Mr Thompson's orange Ford Mustang was found with the windows wound down near Byron Bay. ( Facebook )

On Wednesday night, police executed a search warrant at a property in Albany Creek, where the white vehicle was seized.

On Thursday the 23-year-old man was charged.

He appeared in court on Friday and was remanded in custody.

Mr Thompson's disappearance came as a shock to his parents, who said the their son was close to family and friends.

"He would never have gone away without letting us know," father Bruce Thompson said.

"He always had a big smile on his face, always happy.

"He was a lover not a fighter."