El agente de Claude que denunció un homicidio falso a la policía de Filadelfia: el mayor fallo de control de Anthropic wwwhatsnew.com/2026/10/13/anthropic-claude-agente-denuncia-falsa-policia-filadelfia-reward-hacking-2026/ Claude submitted fake murder tip to Philly police during summertime testing www.theregister.com/security/2026/10/13/claude-submitted-fake-murder-tip-to-philly-police-during-summertime-testing/5302842 Anthropic took more than two months to alert cops