 When he returned to the Philippines in February 2001, the impeachment trial was over and Estrada was ousted by the second EDSA People Power Revolution.After the 2001 elections, Barbers authored the law creating the Philippine Drug Enforcement Agency.He was instrumental in the crafting of other laws that increased penalties for "jueteng" protectors and operators and strengthened the anti-drugs campaign, such as including possession of 10 grams of methamphetamine hydrochloride as a nonbailable offense.