ABC Online | Brittney Dwyer sentenced over grandfather Robert Whitwell's 'brutal, callous' murder ABC Online A Queensland woman who murdered her elderly grandfather in Adelaide has been sentenced to life in prison with a non-parole period of 21 years, with the judge describing the crime as brutal and dispassionately planned. Brittney Jade Dwyer was 19 years ... 'Evil and abhorrent': Teen jailed for life for murdering grandfather Brittney Dwyer jailed for murder of her grandfather Brittney Jade Dwyer jailed for at least 21 years for stabbing murder of grandfather Robert Whitwell |