GRAND RAPIDS (WZZM) -- A student found in the Grand Valley State University parking lot downtown died of natural causes.

An autopsy was performed Monday afternoon on Phu Quoc Thieu Tran, 39. The cause of death was determined to be arteriosclerotic cardiovascular disease.

Investigators say a security officer found Tran inside his car early Monday morning.

Tran was a student at Grand Rapids Community College but was using the computer lab earlier that evening at GVSU. Investigators say the computer he had been using had searches for "chest pains" and similar symptoms on