Annemie Stein tells the jury in the murder trial for nine-year-old Charlise Mutten's accused killer she heard the voice of a "little girl" when speaking to her son during a key period in January 2022.
Kallista Mutten has given evidence in the trial of Justin Stein, who is accused of murdering her daughter Charlise in 2022, in the NSW Supreme Court. Mr Stein has pleaded not guilty to the charge.