He said PACC secretarygeneral Prayong Preeyachitt met him on Wednesday to provide more evidence as requested.
He said he also asked Prayong to check if there were more corrupt officials linked to those on the blacklist and why none had been prosecuted before.
“Some allegedly committed wrongdoings a long time ago but no action has been taken against them. Is it possible their superiors have been negligent?” Wissanu said.