The parents of the Minnesota college student identified as a person of interest in the disappearance of University of Pittsburgh student Sudiksha Konanki said their son has been detained “under irregular conditions” – as sources said authorities in the Dominican Republic pledged to intensify interrogations.

The Loudoun County Sheriff's Office in Virginia said U.S. investigators interviewed a person of interest at length.

The “person of interest” in the disappearance of missing Pitt student Sudiksha Konanki claims he saved them both from drowning before she vanished.