Griselda Blanco: The Black Widow La Viuda Negra II Episode 29 Episode 29 ( Air Date 2016-04-08 ) Genre Action & Adventure, Drama, Crime category. Overview "La Viuda Negra is a 2014 Spanish-language telenovela produced by RTI Producciones and Televisa for United States-based television network Univisión and for Colombia-based television network Caracol Television. It is an adaptation of the book La patrona de Pablo Escobar de José Guarnizo based on history from Griselda Blanco.".