9news.com.au | Dad who shot teen children dead amid custody battle was 'an awful, horrible man – always' 9news.com.au The Sydney father who stormed his ex-wife's home and shot dead his two teenage children has been described as "awful", "incredibly grumpy", "obsessed" and "withdrawn". On July 8, John Edwards entered the West Pennant Hills home of ex-wife Olga, ... Quiet boy who grew up to become double child killer Dad's 'all out' final target practice before family attack |