Former prime minister Scott Morrison is among dozens of people being sought by government lawyers as they build a defence against a compensation claim by Brittany Higgins' former boss.The former Liberal leader was ensnared in Fiona Brown's case after she alleged he made a false statement to parliament after the Higgins rape scandal erupted in 2021.Brown, a former staffer in Morrison's office, is suing the Commonwealth for damages, saying the government gagged her from responding to accusations about her handling