ISRAEL JEW AGAINST JEW IN THE FOUR-MONTH TRIAL OF ADOLF EICHMANN, ONE DARK CHAPTER OF THE NAZI HOLOCAUST WAS NEVER FULLY BROUGHT OUT : THE RULE OF NAZI-ORGANIZED COUNCILS OF JEWISH ELDERS IN EUROPEAN GHETTOS . BACKED BY THEIR OWN HIGH-BOOTED JEWISH POLICE, THE COUNCILS COMPILED DEATH LISTS OF JEWS AND ROUNDED UP THEIR OWN PEOPLE FOR DEPORTATION TO NAZI EXTERMINATION CAMPS . REFUSAL TO HELP EICHMANN'S " TRANSPORTATION " EXPERTS WOULD HAVE MEANT IMMEDIATE DEATH, BUT ALWAYS THERE WAS THE AGONIZING MORAL DILEMMA : EVEN UNDER DURESS, WAS COOPERATION NOT BETRAYAL ? LAST WEEK ISRAELI PROSECUTOR DAVID LIBAI GAVE THE STATE'S ANSWER IN THE FIRST TRIAL OF A JEWISH POLICEMAN WHO SERVED THE NAZIS . ITS ANSWER WAS YES . IN THE DOCK OF A TINY, DRAB TEL AVIV COURTROOM, HEAD BURIED IN HIS HANDS, SAT THE ASSISTANT CONDUCTOR OF THE ISRAEL NATIONAL OPERA, HIRSCH BARENBLAT, 48, FORMER COMMANDER OF THE JEWISH POLICE IN BEDZIN, POLAND . FOR TWO YEARS AFTER HE MANAGED TO GET TO ISRAEL IN 1958, BARENBLAT ATTRACTED NO PARTICULAR ATTENTION . THEN, DURING INTRODUCTIONS AT A CONCERT IN A KIBBUTZ, A MEMBER OF THE AUDIENCE SUDDENLY LEAPED UP AND SHOUTED : " BARENBLAT, I REMEMBER YOU ! YOU MURDERED JEWS ! " THE CONCERT BROKE UP AMIDST ANGRY CONFUSION . IN 1961, AFTER A POLICE INVESTIGATION, BARENBLAT WAS ARRESTED AND CHARGED UNDER THE ISRAELI LAW PUNISHING NAZIS AND THEIR COLLABORATORS WHO WERE MEMBERS OF " HOSTILE ORGANIZATIONS " THE SAME LAW UNDER WHICH EICHMANN WAS TRIED AS A GESTAPO MEMBER, AND WHICH THE GOVERNMENT NOW WANTS EXTENDED TO INCLUDE THE JEWISH POLICE . IN BARENBLAT'S CASE, THE MAXIMUM PENALTY WOULD BE SEVEN TO TEN YEARS IN PRISON ON EACH OF TWELVE SPECIFIC ACCUSATIONS OF PERSECUTION . ON THE OPENING DAY OF WHAT LOOKED TO BE A DRAWN-OUT TRIAL, A TEL AVIV CARPENTER TEARFULLY RECALLED THAT BARENBLAT'S JEWISH POLICE ONCE TROOPED BACK FROM A ROUND-UP IN BEDZIN " LOUDLY SINGING, AS IF FROM A VICTORIOUS ENGAGEMENT, " DESCRIBED HOW THEY HERDED JEWISH MEN, WOMEN AND CHILDREN INTO TRUCKS HEADED FOR AUSCHWITZ . " EVEN THE STREETS WEPT, " THE WITNESS SAID . PROSECUTOR LIBAI CONCEDED THAT BARENBLAT SAVED " MAYBE TEN OR 20 JEWS, " BUT ADDED : " THIS COURT WILL HAVE TO DECIDE WHETHER TO SAVE HIS OWN SOUL HE WAS ENTITLED TO CARRY OUT THE TASKS OF THE JEWISH POLICE . " DEFENSE ATTORNEY ARIEH ROSENBLUM, SUPPORTING BARENBLAT'S PLEA OF INNOCENCE, SAID THAT HIS CONDUCT WAS JUSTIFIABLE, AND ARGUED THAT HE WAS ACQUITTED OF COLLABORATIONIST CHARGES AFTER THE WAR BY A POLISH COURT . " THE JEWISH POLICE, " ROSENBLUM SAID, " CANNOT BE REGARDED AS HOSTILE TO THE JEWISH PEOPLE . THEIR INTENTION WAS NOT HOSTILITY . THEY DID NOT SEEK TO EXTERMINATE JEWS ; THEY SERVED WHAT THEY DEEMED THE BEST INTERESTS OF THE JEWISH COMMUNITY UNDER THE WORST POSSIBLE CIRCUMSTANCES . "