The trial has begun in 2016 when robbing 10 people Kim Kardashian at a Paris hotel.

The reality TV star and businesswoman were tied to the muzzle of a luxury suite where she lived during Paris Fashion Week.

Her millions were taken from her, including a $4 million (£2.9 million) diamond engagement from her then-husband Kanye West.

In a grand court decorated with 19th-century tapestries, the court is given fascinating snapshots to the lives of actors of various characters suspected of participating in the robbery.

For the first UP -71-year-old Yunice Abbas, this was done through "Enquête Depernalité", a background report involving people charged with crimes that French courts regularly included in their trials. These reports cover elements of defendants’ family history, behavior and efforts to portray pictures of their lives and help jurors make decisions.

The court heard a list of crimes from the past that were convicted in the past - from small crimes and small drug trafficking to bank robbery - and recovered his difficult childhood, partly spent in Algeria and marked by the deaths of his two siblings.

The bald, chunky man – who has already spent nearly a third of his time in prison – has admitted his role in the robbery and even wrote a memoir titled “I Catch Kim Kardashian.” Court President David Du Pas suggested that the book shows Abbas being proud of what he did - a point Abbas has repeatedly denied.

Asked if he had any sympathy for the victim, Abbas said he had never done it before the Kardashian robbery: "But this time I do regret what I did...it opened my eyes."

Abbas said he faced relentless reports of theft while watching TV in prison, which made him realize how much pain Kim Kardashian suffered.

"We just grabbed the lady's handbag, but I found trauma behind it," he said.

The court also focused on Gary Madar, whose brother company provided transport and taxis to Kardashians for several years. The two children, 35, were accused of providing information to the gang about Kim Kardashian's location on the night of the robbery.

At that time, Gary worked as a customer service agent at the transportation company's airport. His mission is to welcome VIPs to Paris Airport and escort them through passport and customs inspection. Through this work, he met the Kardashians many times.

But he also worked in a 52-year-old cafe for another defendant, Florus Héroui, who investigators believe Madar conveyed information about Kim Kardashian.

He denied this, and his lawyer told the BBC that Madar should not be on the dock because there was no "solid evidence" of his involvement.

Marc Boyer, 78, is accused of providing weapons to threaten Kardashian, and he also questioned in detail. He regrets that his son, Marc -Alexandre Boyer (also accused) is surrounded by "thieves" and "scammers" who lead him to make the wrong choices in life.

The rest of the week will see more defendant positions as Kim Kardashian is expected to testify the day the trial tick bug.

The vast majority of the 400 journalists expected to flock to the court, and court staff are not sure how they will accommodate so many journalists who want front seats.

The court will only hear 10 of the 12 people arrested in 2017, one of whom died last month, while the other, aged 81, will be forgiven for his dementia.

The other is Aomar Ait Khedache, which will be held on Wednesday - but he is now almost deaf and has to write down the answers on a piece of paper.

The trial took place eight and a half years after the robbery.

Patricia Tourancheau, a crime journalist and author of the robbery book, told the BBC that Paris courts have been busy with large-scale terrorism trials for several years, creating a backlog.

She also said the long wait was related to the defendant's age and health problems, which meant they spent very little time in temporary custody.

"Once they are released, the judge is less eager to judge this."