27 for the man found the young woman out in the country, and though the betrothed woman screamed, there was no one to rescue her.

Read Deuteronomy 22:27 Using Other Translations

For he found her in the field, and the betrothed damsel cried, and there was none to save her.
because he met her in the open country, and though the betrothed young woman cried for help there was no one to rescue her.
Since the man raped her out in the country, it must be assumed that she screamed, but there was no one to rescue her.