Extraordinary allegations have been aired in the coronial inquest into the death of Warlpiri teenager Kumanjayi Walker at the hands of Northern Territory police officer Zachary Rolfe. The inquest has unearthed police texts described in court as ‘racist and disgusting’, and an allegation that police may have covered up the use of force during multiple arrests. Indigenous affairs editor Lorena Allam steps through what the inquest has uncovered so far, and how it’s raised wider issues for the NT and its police force