"Blade Runner" Oscar Pistorius charged with murder of girlfriend Reeva Steenkamp

Updated at 12:49 p.m. ET

PRETORIA, South Africa Paralympic superstar Oscar Pistorius was charged Thursday with the murder of his girlfriend who was shot inside his home in South Africa, a stunning development in the life of a national hero known as the Blade Runner for his high-tech artificial legs.

Reeva Steenkamp, a model who spoke out on Twitter against rape and abuse of women, was shot four times in the predawn hours in the house, in a gated community in the capital, Pretoria, police said.

CBS News correspondent Mark Phillips reports Pistorius and Steenkamp had been an A-list celebrity couple in South Africa since late 2012. This was to be their first Valentine's Day