ALLENTOWN, Pa. - A trial has begun for an Allentown man accused of stabbing his girlfriend to death.
Jonathan Schaffer was in a Lehigh County courtroom Tuesday.
In 2012, police said Schaffer stabbed Lauren Wolstenholme to death inside their apartment on South 18th Street.
Schaffer claims it was self-defense and that Wolstenholme came at him with a knife.
Allentown, PA 18102