Convicted Murderer Nurse Lucy Letby Seeking To File Appeal Against Verdict

Former British nurse Lucy Letby, who was sentenced in August for killing seven babies, is seeking permission to file an appeal against her convictions, according to BBC, The Guardian and Reuters.

Letby was found guilty on Aug. 18 of murdering seven infants and attempting to murder of six other infants between 2015 and 2016, PEOPLE reported previously. 

Letby was an employee of the neonatal ward of the Countess of Chester Hospital in Chester, England, and was removed from there in 2016 after senior nurses, who had observed a year of “mysterious deaths and near-deaths of infants,” became suspicious of Letby.  

Under her care, five boys and two girls were killed. The August verdict was handed down after a 10-month trial that heard disturbing details of her conduct within her job. According to the BBC, Letby even wrote a sympathy card to the family of one of the children she murdered. 

“In her hands, innocuous substances like air, milk, fluids — or medication like insulin — would become lethal,” Pascale Jones of the Crown Prosecution Service said in a statement following the conviction.

Want to keep up with the latest crime coverage? Sign up for PEOPLE's free True Crime newsletter for breaking crime news, ongoing trial coverage and details of intriguing unsolved cases.

On Aug. 21, Letby was sentenced to a “whole-life sentence” — reserved for the most “heinous” crimes in the UK, according to the BBC — for each of her offenses. 

Letby refused to appear in court for her sentencing. The judge said the former neonatal nurse had shown no remorse for her crimes and had waged a “cruel, calculated and cynical campaign of child murder involving the smallest and most vulnerable of children."

A hearing is scheduled on Sept. 25 to determine whether the Crown Prosecution Service will start a new trial against the 33-year-old woman for other attempted murder charges that the jury couldn’t reach a verdict for in August, the Guardian reports.