The man suspected of murdering the 10-year-old Kristina from Mrowiny (Lower Silesian voivodeship) has been also charged with abetment in the offence of murder. "He was encouraging another person to take part in the crime," the investigators say. They add that, according to evidence gathered so far, the murder was planned and prepared for some time. On Tuesday afternoon, on the request of the prosecutor's office, the court decided to place the 22-year-old under arrest.