Home Minister Datuk Seri Hishammuddin Tun Hussein said Dr Chua lodged a police report after being informed by a colleague on the distribution of envelopes containing two DVDs in several areas in Batu Pahat, Johor, which was intended to smear his image.
Following the report, police conducted an investigation and the investigation papers submitted to the Attorney-General's Chambers, before the Attorney-General ordered for further investigation, he said in a written reply to a question by Hee Loy Sian (PKR-Petaling Jaya Selatan) in Parliament Tuesday.
Hee wanted to know the rationale Dr Chua was not charged in court.
Hishammuddin said the case was investigated under Section 292/509 of the Penal Code.
In January 2008, Dr Chua resigned from his cabinet post and as MCA vice-president after admitting that the man in the sex video was him.