A CCTV image captured by a British woman about four hours before she was murdered shows her husband holding their baby on a sofa.
Police don’t know why Ms Crouch, 20, screen grabbed the image using a mobile phone app linked to the home’s security system, according to Greek media.
Her husband Charalambos (Babis) Anagnostopoulos was charged with premeditated murder after he allegedly confessed to smothering her with a pillow in front of their 11-month-old daughter Lydia.
The image found on Ms Crouch’s phone was taken just before 12.01am on May 11 from a CCTV camera in the couple’s living room in suburban Athens as they argued by text message in separate rooms.
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Ms Crouch was alone in an upstairs bedroom at the time, while Anagnostopoulos, 33, held the couple’s daughter on a sofa in the living room as they argued, according to police.
Detectives claim Anagnostopoulos removed the camera’s memory card just after 1am and flushed it down the toilet.
That led them to suspect that the murder of university student and mum-of-one Ms Crouch was planned.
Friends claim Anagnostopoulos was jealous and controlling, and Ms Crouch had had enough and was preparing to end their marriage and seek a divorce.
Diary entries reveal she had wanted to leave her husband for more than a year, but decided to stay because she “didn’t want my daughter to grow up without her parents”, the Amna news agency reported.
Helicopter pilot Anagnostopoulos initially told police that burglars had stormed into the family home in upscale Glyka Nera, tied up and gagged him and his wife, and threatened their baby with a gun while demanding cash and jewellery.
Anagnostopoulos claimed one of the three intruders strangled his wife and killed their pet dog, a husky, which was found hanging from a banister.
He claimed he was bound and blindfolded in a separate room, and he temporarily lost consciousness during the attack. He speculated that his life was spared because he appeared dead on the floor.
He told police the thieves stole about £10,000 worth of euros which was hidden in a Monopoly box. A photo of the Monopoly box, taken by police, also emerged on Monday, as police said that amount of cash was no inside the house.
Detectives say they suspected Anagnostopoulos from the beginning of their investigation, and allege he confessed when presented with new evidence during an eight-hour interrogation last Thursday.
Anagnostopoulos allegedly admitted to smothering his wife with a pillow after they argued and she told him she wanted a divorce and for him to leave the house.
He then staged a violent robbery, even strangling the dog and hanging it in a bid to strengthen his story, police claim.
Anagnostopoulos allegedly told investigators: “That night we were fighting early. At one point she threw the child in the crib and told me to leave the house.
“She pushed me and punched me. I lost my temper, I suffocated her with the pillow. Τhen I made up the robbery.
“I tied myself up. I did everything because when I realised I killed her, I thought of my child.”
A coroner’s report suggested Ms Crouch was attacked while she was sleeping and suffered a slow, agonising death in the early hours of May 11.
Detectives said the robbery story fell apart thanks to Ms Crouch’s fitness tracker, data from Anagnostopoulos’ mobile phone, and CCTV from the living room, Greek media reported.
The image screen grabbed by Ms Crouch shows Anagnostopoulos and his daughter on the sofa just seconds after midnight.
Footage taken at 12.35am allegedly shows the him cradling his daughter on a sofa as he and Ms Crouch argued over text, Protothema reported.
Police say Anagnostopoulos removed the memory card from the security camera in the living room at 1.20am, and admitted to breaking it in half and flushing it down the toilet.
The husband and wife continued to text each other until about 3.15am.
According to a coroner’s report obtained by the Amna news agency, she went to bed and was asleep for about six minutes until the murder began.
A fitness tracker on Ms Crouch’s wrist indicated “a sleeping person” at 3.58am.
But a sharp increase in her heart rate was detected between 4.05am and 4.11am, as she was killed, according to the coroner’s report.
Her heart stopped beating at about 4.11am.
The report gave the cause of death as suffocation.
It is alleged data from Anagnostopoulos phone showed him moving between the ground floor and attic of the home at a time when he claimed he was tied up.
He allegedly told police that he considered hiding her body but panicked and decided to stage a robbery and make it look like his wife was killed by intruders.
He is said to have told detectives that he placed his daughter next to Ms Crouch’s body.
A neighbour told Protothema they heard the dog “crying” at about 4.20am.
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Anagnostopoulos allegedly told police during his confession that he had tied himself up and placed tape over his mouth and eyes before calling for help.
When police responded to an emergency call at about 6am, they found Ms Crouch dead and tied to a bed, and her daughter trying to wake her up.
Anagnostopoulos was found in a different room nearby.
Last week, he was charged with premeditated murder, animal abuse and making false statements to police.
He was attending a memorial service to his wife on the island of Alonnisos, where she grew up, when he was approached by police and taken back to Athens for questioning.
He was seen hugging his grief-stricken mother-in-law and left shortly afterwards with officers, who told him they wanted him to come back to Athens with them to discuss a breakthrough and new suspect in the case
But Anagnostopoulos was soon told that he was the suspect, and he confessed during an eight-hour interrogation, said police.
The couple’s baby remains in the care of Anagnostopoulos’ parents, but a court will soon decide who gets custody of the girl.
Ms Crouch was born in the UK and moved to Alonnisos when she was eight. She was raised there by her British father David Crouch and Filipina mother Susan Dela Cuesta.
An elderly neighbour claims the family is considering changing Ms Crouch’s gravestone because it features a photo of her on her wedding day and the inscription: “Our beloved mother, wife and daughter.”
The neighbour told MailOnline: “He did not love his wife. This stone will have to be changed.”