Spalding Murders 2016 [SHOCKING]: Britain's Youngest Criminals Reveal Watching ‘Twilight' Films, Having Sex After Orchestrating Double Murders; 14-Year-Old Female Suspect Found Guilty

A 14-year-old schoolgirl and her 14-year-old boyfriend stabbed to death a dinner lady and her 13-year-old daughter. The couple was recently convicted, becoming Britain's youngest criminals.

Now both 15, the teen couple who stabbed 49-year-old Elizabeth Edwards and her 13-year-old daughter Katie, in their sleep were found guilty and convicted of murder. The teen couple admitted they "meticulously" planned the double murders, according to the Daily Mail.

After stabbing Elizabeth and Katie, the two ate ice cream, watched "Twilight" films and even had sex. "I'd felt like murdering for quite a while," the girl said after she was arrested by authorities.

The teen couple stabbed Elizabeth Edwards with a knife. After killing her, they went to Katie who was sleeping in the next room.The teen killers, who were drenched in blood, took a bath to clean themselves, with the girl saying they should have used a gun as she didn't like the smell of blood.

The young girl also confessed she and her boyfriend would meet every night at McDonald's to plot the murder of Elizabeth Edwards at her home in Spalding, Lincolnshire. The girl only said she had "a grudge" towards the dinner lady.

"She deserved it," the girl said of the death of Elizabeth Edwards. According to the girl, they were to kill themselves with 80 tablets and alcohol the next day but the plan did not push through.

Moreover, the young girl admitted she was looking forward to the planned murder every day at school. The boy, on the other hand, was reportedly ordered to carry out the stabbings, with the girl as the "driver" of the double murders.

The boy had pleaded guilty of murder at the beginning of the court proceeding while girl denied it. Instead, she admitted manslaughter on the "grounds of diminished responsibility, BBC News reported. 

Meanwhile, they young couple was found by officials five days after the murder of Elizabeth Edwards and Katie Edwards. But what was really more apalling was the fact that the girl seemed unapologetic during the court hearing, as per the Telegraph.