A woman in charge of caring for Bobbi Kristina Brown at the hospice where she died was impersonating a nurse and faces charges, police said.

A man indicted on charges of having sex with a woman in Atlanta after she died told police that he did not realise she was dead, authorities said.

The FBI admitted it made mistakes on fingerprint tests that allowed a man now considered a suspect in as many as 20 killings to go free, authorities said.

Voters trying to beat the rush turned out early to cast ballots in many precincts as the US presidential election day opened.