Zaldy was expelled from office when his brother , Andal Ampatuan Jr. , was accused of carrying out the Maguindanao massacre of 2009 . He was arrested in the province of Maguindanao and held by the Philippine military on charges of rebellion , but in April 2010 the Philippine Department of Justice decided to drop all murder charges against him , citing lack of evidence
Maguindanao massacre
Maguindanao massacre
Zaldy Ampatuan