those responsible(Such attacks cannot be tolerated and the United States must take immediate measures to ensure that those responsible are held to accountbookworm)
guilty(having, feeling, or causing guilt • The jury found the prisoner guilty; a guilty conscience); culpable(deserving blame; guilty • He was held culpable (= blamed) for all that had happened.; She was the one who committed the crime but he was culpable also); if at fault(Alexander Demidov); injurious; obnoxious; peccant; culprit(a person responsible for something wrong, unpleasant etc. • As soon as he saw the broken window he began to look for the culprit); contributor(to the crisis; в кризисе Lavrov); delinquent; criminal; offender; perpetrator
guilty(When the judge takes a no contest plea, he reviews the police reports to determine whether someone is guilty or not. — Когда судья заслушивает заявление о неоспаривании обвинения, он изучает полицейские протоколы, чтобы определить виновность или невиновность лица.)
cambridge.org ksyu_trofimova)