Cops have named person of interest in the case of Sudiksha Konanki, a University of Pittsburgh student who went missing while on a spring break holiday in Punta Cana, Dominican Republic. Loudoun County,

Joshua Steven Riibe, 24, has been identified as the man seen hugging and walking hand-in-hand with the 20-year-old student just hours before she vanished in the Dominican Republic.

Joshua Riibe, a 24-year-old tourist from Iowa, has come under the spotlight, with investigators naming him a 'person of interest.'