Valérie Bacot, now 40, was just 12 when Daniel Polette - who was dating her mother at the time - began raping her. She has admitted killing her abuser in 2016 by shooting him dead

A French woman has gone on trial for killing her stepfather-turned-husband who allegedly abused her for more than 20 years.

Valérie Bacot, now 40, was just 12 when Daniel Polette - who was dating her alcoholic mother at the time - began raping her.