Ben Roberts-Smith arrest details revealed

The details of the dramatic swoop on Roberts-Smith have shed new light on authorities' concerns that he would move overseas to avoid prosecution.

Documents show the Victoria Cross recipient had been researching wellness businesses in Spain and Singapore to 'create some normalcy' in his life.

His partner testified that the couple had discussed a permanent relocation as the investigation into alleged war crimes in Afghanistan intensified.

Roberts-Smith remains in custody as legal teams begin a fierce battle over the costs associated with his recent high-profile defamation loss.