Itzcoatl Ocampo will be arraigned 23 on the new charges , the district attorney says . Eder Herrera , 23 , is accused of the brutal stabbing death of Estrada and her son . Ocampo is also accused of killing James McGillivray , 50 , who was killed December 20 ; Lloyd `` Jimmy '' Middaugh , 42 , who died December 27 and Paulus `` Dutch '' Smit , 57 , killed on December 30 . Authorities say Ocampo and Itzcoatl Ocampo 's son , Ocampo , are friends .
Itzcoatl Ocampo will be arraigned 23 on the new charges , the district attorney says . Eder Herrera , 23 , is accused of the brutal stabbing death of Estrada and her son . Authorities say Ocampo and Itzcoatl Ocampo 's son , Ocampo , are friends .