Complex sentence: After one week of investigation, the three men who beat Seraw to death were arrested and, in 1990, Mieske was convicted of first-degree murder and will not be eligible for parole until 2018.
Split into simpler sentences: After one week of investigation, the three men who beat Seraw to death were arrested. Then in 1990 Mieske was convicted of first-degree murder and will not be eligible for parole until 2018.