Complex sentence: On June 24,2009, Thomas was shot and killed in the football team's weight room by Mark Becker, a 2004 Aplington-Parkersburg graduate and one of Thomas' former players.
Split into simpler sentences: On June 24,2009, Thomas was shot and killed in the football team's weight room. Ed Thomas's killer was Mark Becker, a 2004 Aplington-Parkersburg graduate and one of Thomas' former players.