On 19 June, a Pakistani member called Waqar Ahmad, 36, was arrested and later deported. Morente said Ahmad was to undergo deportation proceedings for being an undesirable alien due to his alleged terrorist links and for working in the country without a permit. He was arrested after several days of intensive surveillance conducted by members of the PNP Regional Intelligence Unit 9 at the appliance store of his Pakistani uncle in the said city. The authorities suspect that the group planned to make an attack similar to the 2019 Indanan bombings. On 21 June, an Indonesian militant who fought alongside the Maute Group during the rebels siege of Marawi in 2017. The Taguig Regional Trial Court (RTC) Branch 266 has found Muhammad Ilham Syahputra guilty of the illegal possession of a handgun when he was arrested on November 1, 2017.