Investigators will conduct DNA tests to confirm the identity of the Zetas leader . Police search a cemetery in central Mexico as authorities recover his wife 's remains . Authorities have said there 's no evidence they killed Heriberto Lazcano Lazcano . We had no clue that it was El Lazca , '' Vice Adm. Jose Luis Vergara , a spokesman for the navy , said in an interview with MVS Radio shortly after authorities announced the news . The cartel chief 's body was recovered from a funeral home .
Investigators will conduct DNA tests to confirm the identity of the Zetas leader . Police search a cemetery in central Mexico as authorities recover his wife 's remains . Authorities have said there 's no evidence they killed Heriberto Lazcano Lazcano . The cartel chief 's body was recovered from a funeral home .