Definition of "check into" []

• Examine so as to determine accuracy, quality, or condition (verb)

WordNet. Princeton University. 2010.

• ""Did she ever say," Hi, I'm Sarah Goodhart, "or get an ID with that name or check into some hot-sheets under that name –""
• "I called Lieutenant General George Casey, then the J-5 at the Pentagon, to ask him to check into this, which he did."
• "Fingar said he would check into it and get back to me, which he did in an email."