The jury for the man accused of murdering Grace Millane has spent the day watching CCTV footage of the pair - and possibly the last moments of the British backpacker's life.

Police obtained dozens of hours of footage and found Millane and the 27-year-old accused had spent the evening of December 1 last year at several bars and restaurants in downtown Auckland.

Video also shows them taking the lift to the accused's apartment in the CityLife hotel - the last images of Millane alive.

Millane had arrived in Auckland on November 20 as part of a year-long solo OE.

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She met the accused after matching on the dating app Tinder.

The Crown allege that on the night of December 1 the accused strangled Millane to death in his central city apartment.

The accused, who has interim name suppression, has pleaded not guilty to murdering Millane.

He admits being with her when she died and disposing of her body in the Waitakere Ranges, but claims he did not intentionally harm the young Brit.

The afternoon session of day four of the trial, which is expected to run for about a month, began at 2.15pm before Justice Simon Moore in the High Court at Auckland.

Forensic scientist says she found probable blood

5.00pm

Dianne Crenfeldt, an expert forensic scientist from the Institute of Environmental Science and Research, told the court she found what was "probable blood" on the fridge in the accused's apartment.

Several potential blood stains were also located on other items.

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A large black suitcase was examined, she said, and probable blood was found, including on its lining.

Crenfeldt will give more evidence tomorrow.

Accused's internet and phone activity detailed

3.20pm

Grace Millane's mum Gillian has burst into tears and left the courtroom as phone and internet activity - believed to be that of the accused - was detailed this afternoon.

It is the first time one of Millane's parents has left the courtroom as the Crown's evidence now moves into what the accused did after the Brit's death.

Detective Samuel Luker, who was responsible for investigating the accused's apartment, recalled searching the room after Millane was declared missing.

He was careful upon entry, not knowing who might be in the apartment.

Police said luminol tests were also conducted in the apartment and observed a
Police said luminol tests were also conducted in the apartment and observed a "blue glow emitting" just under the window and at the base of the bed.

"Who did you think might possibly be there?" Prosecutor Robin McCoubrey asked.

"Miss Millane," Luker said.

But the room was empty - no one was inside.

However, he did find a black and green phone which he switched to flight mode.

"It's possible to remotely access phones and wipe them," Luker explained.

An analysis of the device later revealed several Google searches and photos taken of a naked woman.

The Crown believes the searches were made by the accused, while the photos were also taken by the alleged killer of Millane after she had died.

The web history - which detailed everything looked at between December 2 and December 5 - showed the first search was at 1.29am on December 2 for Waitakere Ranges.

Later at 1.29, Waitakere Ranges was searched on Google Maps and at 1.31am a search for "hottest fire" was made, the court heard.

Several pornography sites were then accessed and videos viewed.

At 1.59am the first photo of a naked woman was taken using the phone.

It was at this moment during the evidence that Gillian Millane left the courtroom.

Police said a luminol result showed a large circle between the wall and wardrobe.
Police said a luminol result showed a large circle between the wall and wardrobe.

Further internet searches included "car hire Auckland", "time in London", "large sports bags", "flesh-eating birds" and "are there vultures in New Zealand?"

Luker said luminol tests were also conducted in the apartment and he observed a "blue glow emitting" just under the window and at the base of the bed.

Another luminol result showed a large circle between the wall and wardrobe.

Under the kitchen sink of the apartment police also found several heavy-duty cleaning products.

These included a Rug Doctor heavy-duty spot remover, an "amazing stain remover" and bleach.

A bathroom cleaner also had a red spot on it which was swabbed and tested.

After police had carried our their investigation the apartment was blessed and commercially cleaned by December 15.

Millane's university friend reveals final messages: 'I'm on a date with a guy who is a manager of an oil company'

1.10pm

A statement from one of Millane's university friends has been read to the court and reveals what may have been the final messages the backpacker sent before she died.

The accused and Millane pictured entering the CityLife hotel. Photo / Supplied
The accused and Millane pictured entering the CityLife hotel. Photo / Supplied

Millane had been messaging Ameena Ashcroft throughout her travels, but on December 1 said: "I'm on a date with a guy who is a manager of an oil company."

Ashcroft said she recalled feeling "a bit concerned" and that "something seemed out of place".

In a series of quick Facebook messages Millane also said: "Cocktails all round" and "he was like 'it's [my] birthday tomorrow, we are getting smashed'."

Ashcroft thought the messages were odd and that the man was doing "a weird thing ... with someone you don't really know".

Millane sent further messages to Ashcroft, including about where the accused lived.

"You will find your lama - mate he lives in a hotel," Millane said.

Ashcroft said she knew Millane was drunk, while the lama reference was about finding the person for you.

Further messages about the accused from Millane read: "I click with him so well" and "I will let you know what happens tomorrow."

But a message from Millane the next day never came.

Ashcroft said generally Millane wouldn't have sex with someone unless she felt "quite trusting and happy" around them.

"It's an intimate thing for Grace to sleep with someone," she said.

Detectives investigating Millane's death also asked Ashcroft if Millane had talked before about using props during sex.

Ashcroft said her friend hadn't.

The last sighting - jury see CCTV of Millane's final hours and fatal date

11.15am

Several moments after the accused leaves the table at the Bluestone Room, Millane can be seen looking around the pub, seemingly in search of the accused and anticipating his return.

At about 9.01pm the accused returns and the pair each clink shot glasses of alcohol - tequila again - before drinking it.

By 9.10pm the pair appear to be very comfortable in each other's company and continue to kiss. Millane then leaves the table at 9.20pm and enters main room of the pub - possibly to use the bathroom.

The accused initially waits and uses his phone but then picks up Millane's handbag and appears to go through it, looking at items inside.

After rummaging through her bag, however, he puts it back in a different place than where it was left - on the stool rather than the table - but Millane doesn't notice when she returns.

The accused later stands and begins kissing Millane - at one point she appears to push her finger against his lips.

The two then leave the Bluestone Room - after drinking beer, cider and shots.

At 9.40pm the pair make the short walk to the CityLife hotel where the accused lived.

The accused has his arm around Millane's shoulders.

In what may have been some of Millane's last moments, she enters the hotel lift to the third floor.

The accused and Millane pictured entering the CityLife hotel. Photo / Supplied
The accused and Millane pictured entering the CityLife hotel. Photo / Supplied

11am

After leaving Andy's, Millane and the accused walk towards Victoria St West and past the SkyCity Christmas tree.

A camera shows them seemingly joking with each other, laughing and smiling.

They then cross the street and head to the Mexican Cafe at 7.16pm.

A little over an hour later, at 8.24pm, the accused pays for the pair's drinks - two jugs of margarita and one of sangria - with a bank card.

Standing closely to his left is Millane.

Millane can also be seen talking to a Mexican Cafe staffer briefly before the pair leave.

A south-facing camera captures the pair again at about 8.27pm on Albert and Kingston streets.

The black and white footage shows the pair crossing Albert St East before walking north towards the camera.

At 8.28pm, Millane and the accused walk down Durham St West - the street which has an entrance to the CityLife hotel and is just metres from Durham Lane where the Bluestone Room is.

A camera in the entrance way to the Bluestone Room shows the accused and Millane joking with a worker, and drinking while sitting on a couple of bar stools at about 8.41pm.

The accused and Millane at the Mexican Cafe on Victoria St West. Photo / Supplied
The accused and Millane at the Mexican Cafe on Victoria St West. Photo / Supplied

The same camera shows them leaning across the table to kiss each other.

The accused also leans over the table and puts his arm around Millane's neck as they kiss, drawing her closer to him.

At about 8.50pm, the accused and Millane kiss again - it is about three hours after they had first met.

At about 8.56pm, footage shows the accused getting up from his seat and kissing kisses Millane before bumping into another patron.

He left the table for about five minutes and while he was gone Millane began to use her phone as she waited for the accused to return.

As the footage was played in court Millane's parents watched silently from the public gallery.

The accused sat in the dock with his head down for much of the evidence, but did glance up to watch footage of him kissing Millane and at several other points.

Millane's last hours, fatal date viewed by parents in court

10.30am

Millane's parents David and Gillian are in court today, flanked by police staff as the jury watch their daughter's last movements.

CCTV footage outlines where both Millane and her alleged killer where before her death.

At 5.11pm on December 1 the accused went to the Bluestone Room bar and purchased four beers - two Heineken's at 5.14pm and another two at 5.29pm.

Police obtained the receipts for the beers, which the accused is seen drinking at an outside table.

At 5.37pm Millane is seen leaving the Base Backpackers and heading along Federal Street.

At 5.40pm the accused left the Bluestone Room.

Just before 5.45pm Millane was captured on camera soon after at SkyCity near a large Christmas tree using her phone.

The last message to her family, sent at about that time, included a photo of the tree.

At 5.45pm the accused and Millane can be seen meeting for the first time, near where she was photographing the tree.

The day was rainy and the paving around SkyCity was slick with groundwater.

The accused and Millane at Andy's Burger Bar in SkyCity. Photo / Supplied
The accused and Millane at Andy's Burger Bar in SkyCity. Photo / Supplied

The pair greet each other and walk into SkyCity, heading up an escalator to level one to Andy's Burger Bar.

Millane, dressed in a black dress and white trainers, appears happy and relaxed in the accused's company.

The pair are seen talking as they make their way through SkyCity and enter the first bar at 5.47pm.

They walk to the bar and Millane grabs a menu and passed it to the accused and they peruse the menu and move away to choose a table to sit at.

They leave Andy's at 7.12pm, an hour and 25 minutes after they arrived.

Receipts show the pair purchased a nine cocktails and Jose Cuervo tequila.

10.15am

Detective Adam Bicknell has explained to the jury how the CCTV was collected from various points around the city during the investigation into Millane's disappearance.

The investigation was dubbed Operation Gourami.

CityLife hotel, for example, had 14 cameras that record 24 hours a day.

Police retrieved six days' worth of images from the hotel in their bid to trace Millane's last hours.

The pair were seen together at a burger restaurant in SkyCity, Mexican Cafe on Victoria Street, the Bluestone Room bar next to CityLife and the hotel itself.

The last sighting of Millane alive was via CCTV as she entered the hotel with the accused.

The jury will also view footage of Millane and the accused separately - her before meeting him for their fatal date and him in the hours and days after he allegedly murdered her.