Conversation so far:
What was Eden Natan-Zada on trial for?
The Israel Police opened a criminal investigation into Zada's lynching.
What did the investigation find?
Eventually, on 13 June 2006, five suspects in the lynching were arrested.
What happened when they were arrested?
Two suspects were subsequently released.
Why were they released?
The Arab Knesset members however demanded their release and called their arrest a crime.
What happened after their release?
On 7 June 2009, twelve Arab citizens were indicted over the lynching in the Haifa District Court.
Were they convicted?
Three were sentenced to two years in prison, while one was sentenced to 20 months, one to 18 months, and one to 11 months.
What happened to Zada after that?
CANNOTANSWER.
Are there any other interesting aspects about this article?
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?