She has just been fired by Duterte from his cabinet due, according to his team, irreconcilable differences. There is also an ongoing case of electoral protest filed by Bong Bong Marcos (which was beaten by Robredo by a very small margin last election) in the Supreme Court. Bong Bong Marcos is the son of the former dictator who has recently been buried in the heroes' cemetery for which was ordered by Duterte and approved by the SC judges (the same judges who are hearing the electoral protest of Marcos) amidst protests from various groups, The vice presidency would likely be snatched from Robredo by next year. Duterte already hinted to it in October that we would have a new VP soon. Politics is a mess over here. The family that was deposed 30 years ago are now getting back in power.
he's probably the one threatening him