Conversation so far:
What was someone on trial for in connection to Eden Natan-Zada?
The Israel Police opened a criminal investigation into Eden Natan-Zada's lynching.
What did the investigation into Eden Natan-Zada's lynching find?
On 13 June 2006, five suspects in the lynching were arrested, one was brought in for questioning, and a seventh suspect turned himself in.
What happened when the suspects in the lynching of Eden Natan-Zada were arrested?
Two suspects were subsequently released.
Why were two suspects in the lynching of Eden Natan-Zada released?
What happened after the release of two suspects in the lynching of Eden Natan-Zada?
Twelve Arab citizens were indicted over the lynching in the Haifa District Court. Seven were charged with attempted murder.
Were the people charged in relation to the lynching of Eden Natan-Zada convicted?
Four were convicted of attempted manslaughter and two were convicted of aggravated battery.
What happened to Eden Natan-Zada after the conviction of six people for his lynching?
On 7 August 2005, the Prime Minister's Bureau overruled Meir Nitzan's ban against burial in Rishon LeZion, and decreed that Zada should be buried in the civilian cemetery there.
Are there any other interesting aspects about Eden Natan-Zada's lynching besides the Prime Minister's Bureau overruling Meir Nitzan's ban against burial in Rishon LeZion, and decreed that Zada should be buried in the civilian cemetery there?
The High Follow-Up Committee for Arab Citizens of Israel called on the government to refrain from investigating the death of Eden Natan-Zada.

Question: Why didn't they want the government to investigate?
Self-contained rewrite: Why didn't the High Follow-Up Committee for Arab Citizens of Israel want the government to investigate the death of Eden Natan-Zada?