Murder accused bashed man 'while he slept', court told

An aspiring rapper committed a "horrendous" murder by bashing a sleeping man with a metal bar and leaving him to die over the course of 45 minutes, a court has heard.

Coskun Jaques Marius, 30, pleaded guilty on Tuesday in Brisbane Supreme Court to the manslaughter of Tane Tahi Manawa, 38, at the victim's Surfers Paradise home on May 10, 2019.

Marius pleaded not guilty to the murder of Mr Manawa on the grounds of having an abnormality of the mind at the time.

Crown prosecutor Michael Lehane did not accept the guilty plea as grounds to discharge the indictment for murder and the case proceeded to trial.

Mr Lehane told the jury Marius attacked Mr Manawa, also known as Dre, with the intent to kill over a "list of gripes" that culminated with him boasting about a large Chinese meal.

"(Marius) had not eaten in the past few days and had to settle for a little bowl of stir fry that he had to eat cold," Mr Lehane said.

He said Marius had been unemployed for months and had been doing favours for people in return for places to sleep.

Marius had claimed Dre, a methamphetamine drug dealer, had "treated him like a dog" and constantly demanded he clean the house, before evicting him.

Soon after, Marius returned to the house to drink alcohol with female friends while Dre was dining at a restaurant.

Mr Lehane said Marius told police he was starving, in withdrawal from meth and tipsy on cask wine before he "exploded" and grabbed a lateral pull down bar from the garage when he heard Dre bragging about his meal.

The jury was shown images of a bloodstained reclining armchair where Dre was sleeping before the attack.

"(Marius) committed a horrendous act out of anger, resentment and pure spite, smashing Dre's face and skull, bringing the bar down many times," Mr Lehane said.

He said a forensic pathologist found Dre lived for 45 minutes after the attack.

NSW police arrested Marius two days later after he left the house in Dre's white van and drove to Coffs Harbour.

While being driven back to Queensland, Marius told police an alter ego who had lived in his head since childhood and took over during times of anger could have killed Dre.

Marius's barrister Lars Falcongreen said his client had admitted to unlawfully killing Dre but the "heart of the case" was his diminished capacity.

"He was in a state of abnormality of mind that impaired one or more of (his) capacities to understand what he was doing, control his actions or know he should not do the act," Mr Falcongreen said.

He told the jury to pay particular attention to any evidence concerning whether it was more probable than not that Marius's capacities were significantly affected, including his statements about having an alter ego.

The trial was due to run for another nine days before Justice Glen Martin.

What is AAPNews?

For the first time, Australian Associated Press is delivering news straight to the consumer.

No ads. No spin. News straight-up.

Not only do you get to enjoy high-quality news delivered straight to your desktop or device, you do so in the knowledge you are supporting media diversity in Australia.

AAP Is Australia’s only independent newswire service, free from political and commercial influence, producing fact-based public interest journalism across a range of topics including politics, courts, sport, finance and entertainment.

What is AAPNews?
The Morning Wire

Wake up to AAPNews’ morning news bulletin delivered straight to your inbox or mobile device, bringing you up to speed with all that has happened overnight at home and abroad, as well as setting you up what the day has in store.

AAPNews Morning Wire
AAPNews Breaking News
Breaking News

Be the first to know when major breaking news happens.

Notifications will be sent to your device whenever a big story breaks, ensuring you are never in the dark when the talking points happen.

Focused Content

Enjoy the best of AAP’s specialised Topics in Focus. AAP has reporters dedicated to bringing you hard news and feature content across a range of specialised topics including Environment, Agriculture, Future Economies, Arts and Refugee Issues.

AAPNews Focussed Content
Subscription Plans

Choose the plan that best fits your needs. AAPNews offers two basic subscriptions, all billed monthly.

Once you sign up, you will have seven days to test out the service before being billed.

AAPNews Full Access Plan
Full Access
  • Enjoy all that AAPNews has to offer
  • Access to breaking news notifications and bulletins
  • Includes access to all AAPNews’ specialised topics
Join Now
AAPNews Student Access Plan
Student Access
  • Gain access via a verified student email account
  • Enjoy all the benefits of the ‘Full Access’ plan at a reduced rate
  • Subscription renews each month
Join Now
AAPNews Annual Access Plan
Annual Access
  • All the benefits of the 'Full Access' subscription at a discounted rate
  • Subscription automatically renews after 12 months
Join Now

AAPNews also offers enterprise deals for businesses so you can provide an AAPNews account for your team, organisation or customers. Click here to contact AAP to sign-up your business today.

Download the app
Download AAPNews on the App StoreDownload AAPNews on the Google Play Store