
"I am confident the drugs suppression campaign will work within three months," he said.
Prewpan said he did not want to comment on his pending replacement of incumbent police chief Generak Wichean Potephosree for fear of fuelling divisiveness within the police service.
"I would like, however, to thank past police chiefs and well wishers for supporting my promotion," he said.
He outlined his plans to crackdown on illicit drugs, saying his priority was to close off the trafficking routes along the bortders in order to stop illicit drugs from entering the country in Chiang Mai, Chiang Rai and Mae Hong Son.
His other priorities were to intensify police checks at communities known for peddling drugs, round up drug abusers for rehabilitation and invoking money laundering measures against traffickers, he said.
He warned rogue policemen to stop getting involved in trafficking. He also ruled out a repeat of silence killings which were rampant in the war on drugs under the Thaksin Shinawatra government.