New Delhi, July 23 -- The mother of missing Wisconsin graduate student Eliotte Heinz said she is holding onto hope as the frantic search for her 22-year-old daughter stretches into a fourth day. Eliotte vanished early Sunday morning after leaving a bar in La Crosse, Wisconsin.

"We're all just trying to stay positive and get her home," Amber Heinz told Fox News Digital. "That's our focus. We are praying for the best possible outcome, which is Eliotte to come back to us and continue on her journey as she grows and becomes the amazing person that she is."

Eliotte, a student at Viterbo University enrolled in its mental health counseling program, had been out Saturday night with friends at the Bronco Bar in downtown La Crosse. She left the b...