When Colombian presidential candidate Ingrid Betancourt went on the campaign trail in 2002, she could not have imagined that it would end in a kidnapping and six year incarceration at the hands of guerrilla forces. Even Silence Has an End is the tale of her jungle ordeal which included beatings by her captors, mutual distrust of fellow prisoners and a constant struggle to escape the attentions of red ants, tarantulas, anacondas and bears. She discusses her experiences with Kirsty Wark.