the world marks the 75th anniversary of d day this coming week, and it s important to remember the toll that world war ii took on so many lives, including the lives of biracial g.i. children. those children fathered by african-american servicemen and white british mothers were scarred by institutionalized racism. cnn s isa suarez reports even decades later they still feel the pain. reporter: when african-american soldiers arrived in britain in the second world war, their bravery was instrumental in the war effort. but it was also the start of a story of love, loss and a lifetime of searching. that is the first one that i can remember my mum showing me of this handsome chap that she was so in love with. reporter: around 2,000 mixed raced babies were born from relationships between black g.i.s and white british women.