Stavropol Police Chief Lieutenent General Aleksandr Volkodav told the press on Wednesday that the police have detained the person responsible for planting a bomb in Pyatigorsk on October 6th. The blast on the railway platform killed 2 and injured about 20 people. The detained terrorist turned out to be a former policeman who had served in the same town where the blast took place. The detained pleaded guilty in committing the terrorist act. He also named his contractors. Volkodav has said that he sees an opportunity to solve the crime - RBC reports.