Family and friends have begun visiting the home of Jennifer Petelczyc, 59, and her 18-year-old daughter Gretl, who were fatally shot by a man looking for his ex-wife. Family and friends have begun visiting the home of Jennifer Petelczyc, 59, and her 18-year-old daughter Gretl, who were fatally shot by a man looking for his ex-wife. National Sydney Morning Herald – Latest News