Underworld figure Sanar Ghanim ripped a bullet fragment from his head after being peppered with six gun shots in a deadly “hit” on a Balinese villa last month, it can be revealed.

Sources say the 34-year-old has gone into hiding, possibly overseas – and while suffering a potential spinal injury from the attack – fearing he may again come under fire from a cartel determined to kill him.

An investigation by this masthead into the June 14 slaying, which left Zivan “Stipe” Radmanovic dead and three Australian suspected assassins facing the firing squad, has also learned a fifth person was in Bali with the group – and, despite staying in the same villa complex, was not home at the time of shooting.

The man, only known by the nickname “Sticks”, returned to Melbourne without fanfare shortly after the murderous attack.

Watch our exclusive video investigation below:

Meanwhile, this masthead has obtained fresh CCTV of the alleged shooting ringleader, former Sydney plumber and private schoolboy Darcy Francesco Jenson, who is in police custody with the two alleged hired gunmen.

The footage shows a man, in casual clothes and wearing thongs, on a scooter riding away from a Balinese hardware store carrying a hammer – worth just $26 – which police say would ultimately bring the alleged crew unstuck.

The hammer was allegedly bought by Jenson on June 13, a day before the raid, for the gunmen to smash their way into luxury villa Casa Santisya 1, in the Badung district, where the targets were celebrating a 30th birthday.

Indonesian police say the hammer was found at the crime scene.

A barcode, still affixed to the hammer, was traced back to the hardware store – and ultimately Jenson, police say.

Sydney man Mevlut Coskun, 22, and Melburnian Paea-I-Middlemore Tupou, 26, are suspected of forcing their way into the villa before executing Radmanovic and shooting Ghanim.

Jenson, 27, from Sydney, is alleged to have supplied the pair with weapons and been a lookout man outside the villa.

None of the trio have significant criminal histories. All may face a firing squad if found guilty of premeditated murder.

New pictures show Jenson arriving at Indonesia’s Soekarno–Hatta International Airport on June 3, 11 days before the violence unfolded in Casa Santisya 1. Police allege he carried out the logistics for the hit.

Coskun and Tupou flew into the same airport on June 9.

One of the weapons allegedly used by the gunmen was found dumped in a river just 700m from the villa.

The Indonesian military handgun, known as a Pindad P1, was likely sourced from within the country.

It is Indonesia’s version of a 9mm Browning semi-auto pistol which was produced from the mid-1960s to mid-1970s.

About 30,000 were made.

On Monday, Indonesian police revealed they had found a second handgun in a drain, 15 days

after the crime, using a metal detector.

Ghanim was shot six times, a report shows, in the head, chest, arm, buttock, and shin, while another projectile is believed to have lodged near his spine.

He was photographed leaving Bali hospital in a wheelchair and it is unclear if he has recovered fully from his injuries or sustained permanent physical damage following surgery.

Indonesian National Police continue to investigate the motive behind the international ambush plot and have not ruled out making further arrests.

As revealed by this masthead, there is speculation in the underworld that there has been conflict over a rip off which may have led to the violence in Bali.

“Obviously one group has significantly upset another group and Bali’s not far enough away from Australia for them to hide from that,” ex Australian Federal Police (AFP) investigator Rohan Pike said.

“So to organise such a hit takes a lot of resources, a lot of organisation, um, and these groups do have those skills.”

Ghanim had spent a lot of time in Bali in recent years and taken a long-term lease on Casa Santisya 1.

Among his Australian visitors was his former partner Danielle Stephens, who travelled with their child to the “Island of the Gods” for at least one visit.

Stephens’ is the daughter of Roberta Williams and stepdaughter of slain gangland figure Carl Williams.

Ghanim’s girlfriend Daniella Gourdeas also travelled to Bali to be with him as he looked at business opportunities.

Ghanim’s family and friends’ movements could have unmasked his location.

Since the attack, the Australian Federal Police (AFP) has been reticent to confirm it has been involved in any intelligence sharing with Indonesia’s police forces even though they have stated they are working with their Australian counterparts.

“As this investigation is being undertaken by the Indonesian National Police, enquiries should be directed to them,” an AFP spokesman said.

“The AFP has no further comment at this time.”

The case is being treated as “sensitive” by the AFP which has guidelines surrounding cases which carry the death penalty.

In Australia, police are nonetheless probing links between Australia and the highly-organised Bali ambush.

“It’s probably a transnational crime syndicate that’s behind this,” Mr Pike, who is an expert in organised crime, said.

There are several theories.

Ghanim is known to have mixed with serious underworld figures, including those at war with a “tobacco heavyweight” who has grown in power since his release from prison.

The now international outlaw figure is among Australia’s most wanted men over the carnage he has been linked to, particularly in Melbourne where firebombings of illegal tobacco stores have been frequent.

Police say his modus operandi is to pay young, inexperienced, criminals as extortionists, arsonists and killers.

Daniella Gourdeas had only been on home soil for weeks after the Balinese shooting when her South Yarra skin care business, Aesthetica Cosmetic Clinic, was firebombed on July 10. A man wearing a high-vis vest and hoody was captured on CCTV smashing her shopfront window before setting the reception alight.