Complex sentence: Dr. Debra S. Kelley was a 53-year-old associate professor of sociology and criminal justice studies at Longwood University since 1994 and had started Longwood's chapter of Lambda Alpha Epsilon, a criminal justice fraternity--often having students over for cookouts.
Split into simpler sentences: Dr. Debra S. Kelley was a 53-year-old associate professor of sociology and criminal justice studies at Longwood University. Kelley had taught sociology and criminal justice studies at Longwood since 1994 and had started Longwood's chapter of Lambda Alpha Epsilon, a criminal justice fraternity--often having students over for cookouts.