Police investigators are yet to establish a clear motive behind a gruesome Sliema murder and are hoping the lead suspect will admit to the crime before his probable arraignment on Thursday evening. Abner Aquilina was interrogated by police for around four hours on Wednesday, with multiple inspectors taking it in turns to try to establish a possible motive for the rape and murder of 29-year-old Paulina Dembska on January 2. They are understood to be hoping that the suspect will admit to the crime when he is interrogated again on Thursday morning. Police plan to charge Aquilina in court at around 6.30 pm, sources said. The victim Paulina Dembska. Suspect complains of 'messages' and 'waves' Sources said that during Wednesday’s interrogation, Aquilina said he had been receiving messages from “waves”, which had obscured his thoughts on the night of the killing. He reiterated that he was acting as a “soldier of God” and that he had been struggling with delusions that the devil had been manipulating him. He had first told investigators this last Monday with police deciding to pause the interrogation and refer him to a team of doctors for a mental evaluation. Aquilina was...