Sexy star Katrina Halili and  controversial cosmetic surgeon Hayden Kho underwent the drug tests and resulted to negative, this was according to PDEA . The two who were involved in the sex video scandal separately underwent drug tests at the PDEA office in Quezon City Tuesday after the camp of the doctor accused the actress of influencing him to use an illegal substance.
But Halili denied Kho’s accusations. Kho admitted using ecstacy during his affair with the said actress in year 2007.

PDEA said that a hair sample is more accurate than the urine sample to know if people were using prohibited drugs. But that equipment is worth like half a million.

But PDEA head said that Kho’s statement is important in the agency’s efforts to go after drug pushers. Hayden Kho refused to name names of the suppliers of the said prohibited drugs.