He moved into her flat in March and stayed with her for four or five weeks.
The woman said Abbott paid her rent and never tried to take any of her money or possessions, despite having a key to her house. But when she spoke to people involved in Marlborough's stock car scene, they had never met Abbott.
Last week, her friend saw Abbott's court article from 2011 on her Facebook feed and recognised him.
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An online lothario with a history of stealing from women and vanishing without a trace might be up to his old tricks, police say.
Paul Abbott, once dubbed the "modern Artful Dodger", has started wooing Marlborough women on dating sites using false names.
Constable Russ Smith said he did not know why Abbott, 33, had moved to Marlborough, but suspected it was because he was becoming too well-known in Canterbury.
He had not taken anything from the women, but police were concerned for their safety.
According to court reports from 2011, Abbott told his victims he had the world's fastest car and was a cage fighter.
He also tried to trick one of his victims into thinking he had killed himself, and that it was her fault.
Another woman, a solo mother, was left feeling foolish and "shattered" when she discovered who Abbott was, she said.
READ MORE: * Conman duped women looking for love * Internet dating conman jailed * Online conman released from jail * Man blamed victim for fake suicide He had been seen in Marlborough as recently as last week, Smith said.
Abbott was sentenced in 2011 at the Christchurch District Court to two years and seven months in jail on charges including fraud, theft and conversion, after he took more than ,000 from women he met online. Three Marlborough women, who did not want to be named, said they met Abbott earlier this year through dating websites NZ Dating and Badoo. One woman said she was very ill when she began communicating with Abbott in January, and was in contact with him for three months before they met.
Abbott, who had also gone by the names Brett Nicholls, Harvey Dent, Paul Mc Kenzie, Darryl, and Marcus Mc Auley, seemed like "a real gentleman", she said.
"He seemed interested in what was happening in my life." Abbott introduced himself to the woman as Red and later told her his surname was Mc Allister.