CALIFORNIA | LOCAL
May 11, 1990 | HENRY WEINSTEIN, TIMES STAFF WRITER
Federal prosecutors are trying to prevent defense lawyers in the Enrique Camarena murder trial from cross-examining a prospective government witness who is reputed to have killed 35 to 50 people while working as an interrogator for Mexican law enforcement agencies. The killings, carried out by Jesse Najar Zuno, were disclosed recently in documents that prosecutors turned over to lawyers for four men who are on trial in Los Angeles for the 1985 slaying of Camarena, a U.S.