ATLANTA-- The GBI said it has found evidence in the murder of 19-year-old Jmaal Keyes.
The Middle Georgia State College student from Hiram went missing from the MGSC Cochran campus on April 25.
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Authorities have charged 17-year-old Robert Kane Rolison, who was described as a dual-enrolled high school/Middle Georgia State student, with Keyes' murder.
The evidence was found during a ground search on Cabero Road in Hawkinsville. That is the same road where Rolison lives.
GBI spokesperson Sherry Lang would not detail what sort of evidence was found, only that it is "considered relevant to our investigation".
Keyes, a freshman at MGSC, was last seen on April 25.
Investigators are still searching for his body.
At Hiram High School, where Keyes was a member of the Jr. ROTC, former classmates reacted with shock.
"He was sweet, the type of guy who always wanted to make people laugh," said Brittany Venable. "A lot of people were crying this morning. There's been a lot of posts on Instagram where people have been praying for his family.
Douglas said Keyes and Rolison apparently knew each other as campus classmates, but their relationship beyond that is unclear.
Campus Police Chief Shawn Douglas said investigators did not find any calls between the two on their cell phones.
Douglas said they're still investigating the case and have "a long road ahead."
Pastor Wilbur Purvis of Destiny World Church said members were with the teen's mother when authorities called with the bad news.
"Her faith is still intact," said Purvis. "She was adamant when she spoke to the children about not being bitter, not being angry."
According to the school's statement, MGSC Interim President John Black said late Thursday:
"We are absolutely devastated by this news. There just are no words to describe how deeply hurt we are and how terrible we feel for Jmaal's family. I wish to convey my heartfelt condolences to everyone in his family, and everyone who knew Jmaal. We ask everyone in the Middle Georgia community to keep this family in their thoughts and prayers in the days and weeks to come. We will cooperate in every way to help law enforcement authorities complete their investigation."