A 21-year-old Louisiana State University student has been missing for over a week now, as fears continue to grow about his well-being.

Michael Nickelotte Jr. was last seen at about 1 a.m. on Monday, September 18 at his East Campus apartment, according to Nola.com. A short time later, a roommate reportedly heard Michael’s bedroom door open followed by the apartment door, suggesting that Michael left voluntarily.

But Michael’s father Michael Nickelotte Sr. told Nola.com that he does not believe his son, an ROTC student with plans to join the Marine Corps, would just run away, and is calling for a more aggressive search.

“When it’s your child that was supposed to be someplace but wasn’t, you want all hands on deck,” the father told the news outlet. “It’s been a huge frustration.”

The LSU Police Department has issued a missing persons alert for the student, though the campus police reportedly believe Michael left on his own.

But his father doesn’t believe his son, who he described as “as straight of an arrow as they come,” just ran off without letting anyone know. The student’s car, wallet, keys, cell phone and computer were all left behind.

“LSU Police are actively searching and conducting the investigation,” LSU Media Relations Director Ernie Ballard told LSUNow.com.

Nola.com reports that authorities have done forensic testing on the phone and the computer, but that it did not generate any significant leads. Investigators also searched the college campus and the Mississippi River leveee behind the campus, and combed through surveillance footage from more than 1,000 security cameras. None contained any clues about Michael’s whereabouts.

Michael Nickelotte Jr. is 6 feet 1 inches tall, with brown hair, blue eyes, and a military-style buzzcut.

Anyone with information is urged to call LSU Police at 225-578-3231.

Feature photo: LSU Media Relations