confessed

基本解释

The police grilled the prisoner until he confessed.
警察对犯人严厉盘问，直到他认罪为止。
Faced with the evidence, he confessed himself quilty.
面对证据，他承认有罪。
《新英汉大辞典》
He confessed his crime, and cast himself on the mercy of the court.
他坦白了他的罪行，听候法院处理。

Many have never spoken of what happened to them during the war and most have never confessed to the crimes they committed.
The hatta't also does not rid a sinner of their moral impurity, because the offering is brought after the sinner has confessed, after the sinner has repented.
净化祭是无法消除一个罪人的道德不洁的，因为祭品是在罪人坦白后忏悔后，才供上来的。
耶鲁公开课 - 旧约导论课程节选
And then,lo and behold it turns out that his widow, to whom he confessed various infidelities before expiring, was pregnant; indeed,he was the father.
之后,他的遗孀怀孕了,他在断气前向她承认曾经有过不忠,但他确实是孩子的父亲
耶鲁公开课 - 1871年后的法国课程节选

Because this question remains unresolved, the confessed murderer remains alive in San Quentin prison.
ECONOMIST: Is lethal injection really so painless?

You use confessed to describe someone who openly admits that they have a particular fault or have done something wrong.