Cuatro

The provided news articles do not contain any information about an organization named "Cuatro." Instead, they cover separate local news stories in Spain. One article details the suspected involvement of two brothers, Julián and Manuel, in the disappearance of Francisca Cadenas. Another reports on a woman named Ana María who was brutally attacked with a hammer by her neighbors. The third article highlights the poor living conditions in the Colonia Experimental, a housing complex in Villaverde Alto, Madrid, where residents face issues such as dilapidated buildings, lack of infrastructure, and sanitation problems. These articles are newsworthy due to the severity of the crimes and the concerning state of housing and living conditions in certain areas.