What can be done to protect children from 'catfishing'?

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One of the world's most prolific online child abusers has been jailed for life, after one of his victims killed herself. We ask whether the government and tech companies could be doing more to tackle so-called "catfishing" online. Also tonight: As Kamala Harris and Donald Trump descend on Texas with the US presidential race neck and neck - the World Tonight's James Menendez is live there. The broadcaster and disability rights activist Sir Tom Shakespeare on why he's urging MPs to back the move to legalise assisted dying. And as France is gripped by nostalgia at the release of a new biopic about Charles Aznavour - we speak to the singer's son about his remarkable life.