Joshua Riibe's return to the U.S. remains unclear as there was no immediate decision about returning his passport, which authorities confiscated last week.

A man who investigators believe was the last person to see missing US college student Sudiksha Konanki alive appeared in a Dominican Republic court Tuesday to ask it to grant him freedom, arguing Dominican authorities have inappropriately restricted his movements without charges after the 20-year-old woman’s disappearance.

WASHINGTON (7News) — Dominican Republic authorities will no longer keep Joshua Riibe under police surveillance but won't return his passport as officials investigate the disappearance of Loudoun County, Virginia woman Sudiksha Konanki, ABC News reports.