Nanny Faces Tough Insanity Test: Did She Know Killing Was Wrong? Yoselyn Ortega, 55, claims she was too psychotic to understand her actions when she killed two small children, but insanity defenses rarely succeed. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Building a Blockbuster: Behind the Scenes With T. RexWater on the Moon BOMBSHELL: NASA satellite observes 'moving water' on Moon's surfaceDoctor on Video Screen Told a Man He Was Near Death, Leaving Relatives AghastYellowstone volcano SHOCK: How USGS scientists recorded ‘sudden RISE’ at Norris geyserAn Unvaccinated Boy Got Tetanus. His Hospital Stay: 57 Days and $800,000.Antarctica BREAKTHROUGH: How 'deepest dive ever' below South Pole STUNNED scientists