Darwin man accused of killing four people with a shotgun apologises in court ...

The man accused of the worst mass shooting in the Northern Territory's history has told a Darwin court he is 'very sorry about what happened'.

Benjamin Glenn Hoffmann, 45, faced Darwin Local Court on Friday for the first time since being charged with murder over Tuesday night's mass shooting that resulted in the deaths of four men.

Hoffmann appeared via video link from prison and also said he wanted to speak to his lawyer Peter Marley as soon as possible before being remanded to appear in court again in September.

Benjamin Glenn Hoffmann (pictured on Friday), 45, faced Darwin Local Court for the first time since being charged with murder over Tuesday night's mass shooting

Benjamin Glenn Hoffmann (pictured on Friday), 45, faced Darwin Local Court for the first time since being charged with murder over Tuesday night's mass shooting

Ben Hoffmann (pictured being released from hospital on Thursday), 45, allegedly killed four people during a shooting rampage on Tuesday evening and injured one other

Ben Hoffmann (pictured being released from hospital on Thursday), 45, allegedly killed four people during a shooting rampage on Tuesday evening and injured one other

Hoffmann was placed on an 'At Risk' order as he told the court: 'I do need help, I've asked for help', according to news.com.au.

'I'm very sorry about what's happened,' the 45-year-old said. 

He was charged by Police on Thursday with four counts of murder, two of recklessly endangering serious harm and one of criminal damage with more charges expected over Tuesday night's deadly shootings in Darwin. 

Hoffmann is believed to have known two of the four men he is accused of shooting and killing in the bloody rampage.

One of the men he knew, 52-year-old Darwin casino security guard Rob Courtney, appears to have fought for his life and stabbed Hoffmann after he charged in.

Hoffman has had surgery for knife wounds since being Tasered and arrested by police on Tuesday night, which delayed detectives interviewing and charging him until Thursday.

Northern Territory Police charged 45-year-old Hoffmann with four counts of murder.

The four killings occurred in about 30 minutes, with the gunman appearing to target specific locations.

Police believe he was allegedly affected by the drug ice during the mayhem, which he has a history of using.

Police have not ruled out an accomplice being involved because the ammunition used with the pump

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