Complex sentence: Ironically, Ruth's brother Paul had stated that Ruth had killed Rolf while drinking in a local bar on the island and this later convinced police to search the Neslunds' home again and the searches gave them enough evidence to charge her with the crime.
Split into simpler sentences: Ironically, Ruth's brother Paul had stated that Ruth had killed Rolf while drinking in a local bar on the island and this story was later relayed to local police and helped to convince them to search the Neslunds' home again. These searches gave them enough evidence to charge her with the crime.