After Sandra filed a complaint against her partner for sexually abusing their child, she says Colombian authorities called her "a crazy, evil, negligent mother" and embarked on a long legal process to prove she was "sane" when she lost custody of her son. Sandra, whose name was altered upon request, is one of many women accused of false accusations, a syndrome that a Colombian forensic psychologist says constitutes gender-based violence because it "uses gender stereotypes to qualify women as vindictive, jealous, crazy, mythomaniacs, manipulators". IMAGES AND SOUNDBITES