Transcript for Missing ASU Freshman: Was He a Victim of Hazing?
We're going to turn to the search for an arizona college freshman missing almost a week. He was last seen partying late friday night with members of a fraternity he wants to join. And the missing... See More
We're going to turn to the search for an arizona college freshman missing almost a week. He was last seen partying late friday night with members of a fraternity he wants to join. And the missing teen's mom says he was worried about rough hazing during pledge week. Abc's linsey davis has the latest. Reporter: Overnight, distraught family and friends came together for a vigil for arizona state university freshman jack culolias, who has been missing since friday night. Willing to do anything to find her 19-year-old son, who was last seen at this arizona bar. He was allegedly kicked out after being very intoxicated. He left his cell phone and credit cards behind. He normally never would do anything like this. Reporter: He had been at a social event friday night for a fraternity as a new pledge. The pledging process is something his mother says he was concerned about. There was rumor that they were going to put them in a garage, 30 of them, and make them live in this garage. Reporter: In a statement to abc news, the fraternity said, they take a very strong stance against hazing and has zero tolerance for it. S mother reported him missing to police. Then, with family and friends, she decided to search for herself in the river bed behind the shopping center. And what she found is likely the most significant clue yet. I got alarmed the moment i saw the shoe. I washed his tennis shoes at thanksgiving. So, I know what they look like. Reporter: Police have few clues. And haven't confirmed that the shoe belongs to jack. They had boats out there looking for him. Nothing was found. I'm just scared. He's my youngest son. Reporter: Linsey davis, abc news, new york.
This transcript has been automatically generated and may not be 100% accurate.