Rory Callinan

A basic internet search that would have revealed the criminal convictions of paedophile Dean Carelse was never done when he was screened for a job as a children's lifeguard at a UK family fun park, the ABC has confirmed.

An ABC investigation tracks former Sunshine Coast teacher and coach Dean Carelse to a family holiday park in south-west England. 

Police say a 62-year-old man is assisting with their inquiries over the February 2013 disappearance of a Kowanyama woman known as Ms Bernard.

On Sunday, the ABC revealed Mei Lin, who is understood to have Australian residency, had been arrested and charged over a "black flight" drug plot.

The arrest of company director Mei Lin in Brisbane last week has raised concerns in PNG government circles due to her links to business interests associated with political figures, including former deputy prime minister Moses Maladina.

It was supposed to be the site of a multi-million-dollar makeover to revitalise a depressed CBD and help reduce traffic just north of Brisbane, but it's now covered in weeds and graffiti after a government stoush dragged out over years.

Emails obtained by the ABC under a Right to Information request reveal police had detailed information about Nathaniel Train almost a year before the Wieambilla attack.

One of Brisbane's most exclusive girls' private schools is facing legal action from a former student alleging she was sexually abused by a former staff member in the 1980s.

Jade Elizabeth Harrington has launched legal action against Queensland Health for allegedly unnecessarily removing her gall bladder and misdiagnosing a life-threatening complication of bariatric surgery on five occasions.

The carbon credit scheme promised to regenerate a vast tract of Zimbabwean forest. Now it is under investigation after claims its credits were over-valued or worthless.

Human error has been blamed for an incorrect tally of the number of hazard reduction burns carried out in Queensland. 

Under the new system, parts of Australia have already faced catastrophic warnings this fire season. But some of those alerts were wrong.

The Queensland biotech company, Xing Technologies, founded by prominent Brisbane oncologist and researcher Paul Mainwaring, rode a wave of favourable publicity in the late 2010s.

Pilot David Maddern and his wife Jan died when their Jabiru J4300 plane collided with a Piper Pawnee aircraft at the airfield north of Brisbane in July.

Police had said a border breach by gun-carrying teacher Nathaniel Train did not make him a threat, but documents obtained by the ABC reveal it is a key part of an investigation into his role as a cop killer.

The Australian Federal Police reveals details of the joint FBI operation targeting child abuse material on the dark web.

The ABC has confirmed that one of the man's employers was a childcare centre associated with a tertiary facility.

Many would have passed by the tangled mess of tents, swags and junk that made up a homeless camp along a riverside walkway in Brisbane's CBD, but no-one realised they were walking past a dead body.

Education Queensland has admitted to destroying trees planted in memory of deceased teachers as part of spending blitz at distance education school.

Teachers at Queensland's second largest state school have been told to use their "on-balance judgement" and still give a grade to students who don't undertake formal assessment, a leaked email has revealed.

Senior staff at Caboolture Hospital had apologised to the child's parents after his condition was misdiagnosed and he was not admitted. 

Baby Jarrod was in "absolute agony" when his parents took him to the emergency department two days in a row. He only received a diagnosis when his father called in Ryan's Rule.

Victoria Cross recipient Ben Roberts-Smith directed one of his SAS comrades to kill an elderly man who was dragged from a mosque in Afghanistan, according to allegations uncovered by ABC Investigations.

An ABC examination of the gifts handed to teachers in the past 18 months has found their receipt apparently breaches the enforceable regulation under the Queensland Public Sector Act.

Following questioning from the ABC, federal MP Warren Entsch said "an oversight" was to blame for his failure to declare thousands of dollars in gifted travel.