Qld terror plot allegedly involved public beheading

7 News can reveal a terror plot uncovered by police in Queensland, involved a public beheading targeting a 'specific group' in the community.

The threat was allegedly made by Agim Kruezi from Logan, who is already accused of trying to recruit Australians to fight in Syria.

The 21-year-old is the Brisbane-born son of a migrant, who left communist Albania for freedom in Australia.

Although unconfirmed by Police, 7News Brisbane has been told investigators will allege Kruezi was planning a terror attack in the only homeland he's ever known.

Police Commissioner Ian Stewart said the threat involved a specific community group.

"I can categorically say it was a very broad statement of intended target," said Queensland's Police Commissioner Ian Stewart.

The plan, like the plot revealed in Sydney, involved a public beheading.

It was uncovered by investigators, who began a covert operation in September last year.

Devices at the Islamic Centre in Underwood recorded his alleged extreme views, "If you join the military, I'm actually allowed to kill you, like Allah has actually ordered me to kill you."

Kruezi was stopped at Brisbane International Airport in March, with cash and photos of him with jihadist flags.

On a per capita basis, Australia has the 4th largest group of fighters in Syria, behind Belgium, Denmark and France.

Until now, the chief concern was they'd return radicalised, but fanatacism may be finding them first.

Ten years ago the risk of Australian terrorists, was considered low.

Radicals were motivated by unhappiness and dissatisfaction.

"They do not see themselves as terrorists they see themselves as participating in the conquest of a caliphate," said Mark Lauchs from QUT.

An Islamic state, which Australia is now fighting in Iraq.

Kruezi hasn't been charged over any alleged terror plot.