Gardaí investigating the murder of Anastasia Kriegel have renewed their appeal for information while the results of DNA tests are awaited.
They are particularly interested in hearing from anyone who may have been in St Catherine's Park, Lucan, Co Dublin last Monday, 14 May, from 5pm.
Investigating officers are hoping that DNA profiles from items taken from the scene will help to identify her killer or killers.
Blood-stained bricks and sticks were recovered at a disused farmhouse in Dublin where the 14-year-old's body was found three days after her disappearance. She had been beaten to death.
The crime scene is 1km from where she was last seen on Monday at St Catherine's Park in Lucan.
Detectives have spoken to a number of teenagers who were with Anastasia before she went missing.
Gardaí believe she was murdered by someone she knew.
Gardaí are pursuing over 300 lines of inquiry, carrying out door-to-door inquiries and have spoken to people who were in contact with Anastasia online.
Anyone with information or who can assist with the investigation is asked to contact Lucan Garda Station 01 6667300, the Garda Confidential Telephone Line 1800 666 111 or any garda station.