check into

verb3

1. •
   To formally announce one's arrival at a location or event (usually a hotel) to a proprietor or employee of that location or event in order to secure admission, accommodations, or other services.
2. •
   To announce on social media that one has come to a location.

   • She was downtown earlier. I saw that she checked into the Starbucks on Main Street.
3. •
   To seek to verify (a claim or some data).

   • Can you check into his story? See if you can disprove it.