The gruesome details of the crimes committed by convicted sex offender Mark Gordon went missing with an aristocrat and their newborn child, were revealed in court documents obtained The Independent.

Mark Gordon, Ms Marten’s partner, was jailed in the late 1980s in Florida, US, after raping and assaulting a woman when he was 14. After serving a 20-year sentence in 2010, he was deported back to the UK.

The Independent has obtained 23 pages of confidential US court documents that show how the 48-year-old, who was born in Birmingham, UK, violently attacked his neighbor as a teenager in Florida more than three decades ago.

On April 29, 1989, Gordon, armed with a kitchen knife and garden shears, entered the woman’s home through a bathroom window on April 29. His face was covered with a nylon stocking to hide his identity as he approached the woman’s bedroom as he was familiar with her.

However, before reaching the bedroom, the victim left her room to check on the barking of the dogs, at which point she saw Gordon “hiding” behind the bedroom door.

The documents state that Gordon: “Ordered the victim to return to the bedroom and, while still armed, demanded that the victim undress.”

Gordon then raped the victim, holding her against her will in the property for four and a half hours.

Two small children were sleeping in an adjacent room at the time of the attack, the documents state.

Gordon faces six charges in connection with the April 29 attack: one count of armed kidnapping, four separate counts of armed sexual assault and one count of burglary with a deadly weapon. He was convicted on all charges.

Constance Marten and Mark Gordon were last seen in East Ham, London on January 7

(met the police)

Less than a month later, on May 21, 1989, Gordon attempted to rob a home just six doors away from his first victim. Court documents show he entered that home armed with a “flat-head spade” before taking knives from the home to further arm himself.

Court documents say Gordon confronted the man, one of several occupants of the home, who was lying in bed when he suddenly awoke, “while the defendant was striking the victim in the head and body” with a shovel.

Court documents reveal details of Mark Gordon’s violent attacks

(included)

Police are desperately trying to find Ms Marten, her baby and Gordon after their car caught fire on the M61 in Bolton, Greater Manchester, on January 5. They then traveled from Bolton to Liverpool before catching another taxi to Harwich – arriving on Friday, January 6.

Police said they were also in Colchester before taking a taxi to East Ham station. This was the location of their last confirmed sighting on Saturday 7 January.

They can now be anywhere in the UK and Ms Marten, who comes from a wealthy aristocratic family, and Mr Gordon used scarves and hoodies to disguise themselves to avoid CCTV.

Mark Gordon was jailed for 20 years before being deported back to the UK in 2010

(Provided/Florida Department of Law Enforcement)

Investigators say the pair seem to know how to evade authorities, making it difficult to track them down.

More than 100 officers are involved in the investigation and have more than 223 hours of CCTV with the help of the National Crime Agency.

Detective Sergeant Basford, who is leading the investigation, said: “This is a complex investigation, officers from across Met are continuing to work around the clock to find Constance, Mark and their baby.

“There’s nothing to suggest that any of them caused harm on purpose – we just need to make sure they’re OK, especially the baby, and that they don’t need medical attention for any underlying problems.” .

Constance Marten and Mark Gordon’s car caught fire on the M61 on January 5

(met the police)

Anyone with information about the family’s whereabouts should call the incident room on 020 7175 0785.

Alternatively, information can be reported 100 per cent anonymously to the independent charity Crimestoppers on 0800 555 111. They never ask for personal details or track your device.

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