inp.polri.go.id - Jakarta. The West Nusa Tenggara (NTB) Regional Police arrested Ais Setiawati, the treasurer of drug dealer Erwin Iskandar, also known as Ko Erwin, in Mataram on Thursday (2/26/2026). Ais was previously on the wanted list (DPO).

The suspect was arrested just as Ko Erwin was arrested while attempting to flee to Malaysia in the waters off North Sumatra (Sumut).

"We have also arrested one of the DPOs, Ais, the treasurer, in Mataram. So, when the Criminal Investigation Agency arrested Koko Erwin yesterday in North Sumatra, near the Malaysian border. We have secured another DPO in Mataram," said
the Director of Narcotics Criminal Investigation at the NTB Regional Police, Senior Superintendent Roman Elhaj, on Friday (2/27/2026).

According to him, Ais, as treasurer, also received proceeds from sales from Anita, the wife of Bima City Sub-regional Police officer, Irfan. He revealed that all the funds would be transferred to Ko Erwin, the drug dealer.

In her duties, Ais also met with the former Head of the Bima Police Narcotics Unit in Malaungi City. Despite his extensive experience, Ais was arrested at his rented house in Mataram.

"No new evidence was found, only his cell phone," he said.

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