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.

Question: Why were they released?
Self-contained rewrite: Why were two of Eden Natan's lynching suspects released?