Complex sentence: Jankovic said that because of the large number of victims he referred the case to the Public Safety Station in Banja Luka for further investigation and claimed that he did not know any further details concerning the perpetrators or victims.
Split into simpler sentences: Jankovic said that because of the large number of victims he referred the case to the Public Safety Station in Banja Luka for further investigation. He claimed that he did not know any further details concerning the perpetrators or victims.