NEWS.com.au | Brittney Dwyer 'obsessed' with knives and graveyards before murdering her grandfather Robert Whitwell NEWS.com.au THE mother of Brittney Dwyer, the teenager who murdered her loving grandfather, has spoken about her daughter's chilling obsessions. Mitch Mott. The AdvertiserNovember 6, 20177:41am. Brittney Dwyer's horrific act against her grandfather0:46. Brittney ... 'She deserves 20 years': Brittney Dwyer's mother wants her sentenced to life for murder of grandfather Australian Horror Story: How evil teen ripped apart her family 'I lost my father and now I've lost my daughter': Mother of 18-year-old girl who murdered her grandfather opens up ... |