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Suspect knew Catherine was alone -- police

THE suspect in Catherine Gowing's disappearance seized his opportunity when he learned the Irishwoman would be on her own as her flatmate was away, police say.

Catherine's flatmate Jane Doyle was visiting her family in Co Meath last weekend -- and police believe the suspect became aware of this, using this opportunity to target the vet.

It's thought that the missing 37-year-old woman, who is feared dead, was stalked by the alleged killer, who she had only known for four months.

Last night, police investigating Catherine's disappearance issued CCTV footage of Catherine in a supermarket near her home in Mold, North Wales.

As the search for the 37-year-old woman enters its fifth day, disturbing claims have emerged in relation to the hours before she went missing.

It's believed that her alleged killer became aware that Catherine was spending last weekend at home alone as her Irish flatmate returned home.

Sources have revealed that detectives are focusing on the suspect's "movements" and believe that he spent time alone with Catherine in her flat in Mold, North Wales.

A source explained: "This man's movements are extremely important. He was aware that Catherine was on her own in the apartment and may have taken advantage of that."

Speaking to the Herald today, a police spokesman emphasised that Catherine was "not in a relationship of any sort or kind" with the man in custody.

"The family are keen to make it clear that Catherine was currently single. She was not going out with this suspect and they were not in a relationship of any sort or kind."

The spokesperson also confirmed that the man in custody is the prime suspect.

"We are not currently looking for anyone else in relation to this investigation."

Meanwhile, it's also emerged that Catherine sent an unfinished text message to a work colleague around the time she is believed to have vanished.

David Evans, owner of the practice where Ms Gowing had been based, said staff became extremely concerned after the text was received from Catherine's phone.

"One of the nurses was concerned about her on Saturday or Sunday because she had half a message from her, from her mobile phone anyway," Mr Evans said.

Investigating officers were today due to decide whether to charge the 46-year-old man with Catherine's murder.

The disturbing new revelations come following heartrending pleas from Catherine's distraught family.

Her devastated sister Emma -- who is currently in Wales -- broke down in tears as she described Catherine as "our shining light".

"Please look, please search, please help us find our beautiful sister. Catherine is a kind, sensitive, beautiful person. She's passionate about animals and utterly devoted to my family. She's my best friend, she's the light of my life and she's the light of my parents' life," she said.