CHICAGO, Ill. - Ambrose Monye is just a few weeks away from graduating medical school, but now he is missing.
"He's just four weeks from his goal. His tickets to graduation are already bought for the ceremony. He ordered his cap and gown and everything," said Joseph Monye, Ambrose's younger brother, told Dateline. "I still have hope that my brother is out there, but it's hard to be optimistic since it's been so long."
The 28-year-old medical student was last seen on April 21 walking toward the University of Chicago's John Crerar Medical Library.
Monye attends Guadalajara University but was completing his clinical rotations at Jackson Park Hospital.
Joseph Monye says he heard from his brother on April 21 and went to check on him several days later, but nothing seemed out of place at his home.
However, there has been no activity on his cell phone, credit cards or email accounts since he disappeared.
"He's not a troublemaker, he's a homebody who kept mostly to himself," he said. "This is someone who took an oath to serve the community. He dedicated the majority of his life to the servitude of others."