Complex sentence: In September 2016 a car formerly owned by Rick Thorburn was seized by police for forensic examination, and on 20 September 2016, Palmer's foster parents and their two sons were taken into police custody for questioning.
Split into simpler sentences: In September 2016 a car formerly owned by Palmer's foster father was seized by police and is undergoing forensic examination. On 20 September 2016, Palmer's foster parents and their two sons were taken into police custody for questioning.