This is the 16779th most frequent Korean word.
삭제했다는
"삭제했다는" means "deleted" or "that (someone) deleted" in English.
Here, '삭제했다는' (deleted) is used to indicate the assumption or claim about the deletion of the file.
그 파일을 삭제했다는 의심이 든다.
I suspect that the file was deleted.
In this sentence, '삭제했다는' (deleted) is employed to report a known action that someone performed.
그가 메시지를 삭제했다는 것을 알고 있습니다.
I am aware that he deleted the message.
'삭제했다는' (deleted) in this context references the action of deletion, suggesting that traces of the deletion were identified.