A young mum told a teenage boy she later stabbed that she had unblocked a Facebook friend she had fallen out with so she could invite him round and kill him, a court heard.

The comment was from stab victim Kieran Bewick as he described the events leading up to the attack.

The 18-year-old was giving evidence at Carlisle Crown Court, which heard how police officers who examined the iPhone owned by 19-year-old defendant Zoe Adams discovered evidence of her apparent fascination for murder, male sacrifice, and gruesome murders.

Mr Bewick - who had published dark fantasy novel a few months before he was attacked - said Adams asked him to let her tie him up before sex in her house in Wigton.

When he refused, she asked him instead to put a pillow over his face, telling him: "Trust me."

Seconds later, she plunged the large kitchen knife into his chest. The teenager gave a harrowing account of the events that led up to him being stabbed on July 29 last year.

Adams admits intentionally causing him grievous bodily harm. But she insists Mr Bewick's account of how it happened is wrong.

Wearing a white tiger-print blouse, auburn-haired Adams sat quietly in the dock as lawyers watched a video-taped interview with Mr Bewick, who suffered five stab wounds, including two to his chest.

He and Adams had spent the earlier part of July 29 shopping in Carlisle but then went back to her home, where they drank alcohol and she also smoked cannabis, said Mr Bewick.

He drank so much he threw up. At about 8.30pm, he was in bed at her Brindlefield home when Adams came upstairs, her face covered in clown makeup.

"She walked in with her hands behind her back," said Mr Bewick. "And asked: 'Does this scare you?" I said: 'No - go and wash it off.'"

The day before, he said, they had exchanged messages about clowns, and he told her that a barefoot clown was his nightmare.

He said her reply to that was: "A barefoot clown, the ultimate Kieran killer."

Mr Bewick was convinced she had the knife behind her back as she came upstairs made up as a clown, expecting him to be asleep, he said.

He believed she wanted to stab him then.

He also recalled a text message from her on June 9, saying that her sexual fantasy was a male tied up, and used as a human sacrifice.

Mr Bewick then outlined what he said happened later that night.

Half an hour later, downstairs, she asked him whether she could tie him to the bed and he said no. He went back to bed, and at 10pm she came into the room, this time carrying duct tape. Again, she again asked to tie him to the bed, and again he refused.

They then began kissing, and she asked him to put a pillow over his head, saying: "Cos it's kinkier that way." He said as a compromise he agreed.

Again, she began kissing him.

She asked him: "Do you really love me?" as she trace a finger across his chest; and then: "Do you really want me?"

He had replied yes, and asked her what kind of question that was?"

His phone had then gone off and she grabbed it, putting it beside the bed.

She told him: "Put the pillow back over your face - trust me." So he did as she asked.

Mr Bewick said: "The next thing I knew she stabbed me twice. It took me a few seconds to process what had gone on. I hadn't realised what had happened."

Things were then blurry, he said.

Mr Bewick - with knife wounds on his arm, hand, and leg - ran down the stairs, and found Adams in the kitchen, the knife still in her hands.

As he fled, he said, he asked her: "Why?" Her response was a shrug of her shoulders, he said.

In just his boxers and his socks, he ran the length of the street, and sought help from Adams' aunt, who was outside her house having a cigarette. As he arrived, he said: "Zoe's stabbed me."

She calmly took him in and dressed his wounds, and called an ambulance. Earlier, Mr Bewick spoke about how Adams unblocked on Facebook a man she had fallen out with. Asked why she did that, he said, she said she wanted to invite him round to kill him.

Mr Bewick then outlined an interest that Adams had in gruesome murder videos. He said: "One she showed me [was] of three guys beating up a guy who was unconscious in a wood, with a baseball bat and caving his head in." He said she would scroll through such videos on her phone and watch them intently.

"Whereas normal people would be repulsed and where I found myself being repulsed, she was watching it with intent."

Her comments while doing this were along the lines of: "How cool is that kinda thing". She was really into it, he said.

Asked about the human sacrifice message, Mr Bewick said: "I just kind of passed it off as, like I knew she was, like, just strange; she was just a little bit of a weird person, with a weird sense of humour."

Asked about the friend she had unblocked on Facebook, he said he asked why she did this, since the person involved had treated her badly.

He said: "Her response was to say that she was arranging to invite him round so she could kill him."

Mr Bewick was then questioned by defence barrister Dan Travers. He confirmed he had written a book called Ascendence, a fantasy novel, which was published a few months before he was stabbed.

He agreed it was dark and included murders and stabbings.

Mr Bewick said: "I wrote that in what I thought was a way that would make a good film."

He confirmed having sex with Miss Adams a month or so before he was stabbed, but said after she told him clearly in messages that she did not want it to happen again.

Mr Bewick admitted being angry at the time but he appreciated it was her decision.

"I didn't want to ruin the friendship," he said, telling the court that he eventually accepted her decision.

The case continues.