Season 1 NHS BBC One , 2019 Season 2 The Hunt BBC One , 2020 Following the investigators tracking down criminals who steal from the public purse. As well as the NHS, this series follows cases involving HMRC and other public bodies. Season 3 BBC One , 2021 Season 4 BBC One , 2022 Season 5 BBC One , 2023 Season 6 BBC One
, 2019