Book on hometown murder led police to pastor accused of 8-year-old's death

Joanna Sullivan, co-author of "Marple's Gretchen Harrington Tragedy," credit her writings for helping police arrest David Zandstra for the 1975 disappearance and murder of 8-year-old Gretchen Harrington.

Related Keywords

Pennsylvania ,United States ,Delaware County ,Ridley Creek State Park ,David Zandstra ,Jack Stollsteimer ,Mike Mathis ,Joanna Sullivan ,Marple Gretchen Harrington ,Gretchen Harrington ,Delaware County District Attorney Office ,Trinity Church Chapel Christian Reformed ,Volkswagen ,Ridley Creek State ,Marple Township ,Delaware County District Attorney ,Baltimore Business Journal ,Pastor Harrington ,News ,Abductions ,Cold Cases ,Kidnappings ,Pastors ,