Prisoner X planed to disclose intelligence info on Israel:
Brisbane Times reports Australian-Israeli who died in Israeli jail planned to reveal information on fraudulent use of Australian of passports for espionage purposes. Israeli intel officials informed Australian counterparts of Zygier's arrest eight days after Dubai revealed that suspected Israeli agents used passports in Mabhouh hit, report says Ref. Source 1
Australia to investigate mysterious case of 'Prisoner X' Ben Zygier:
Australia will conduct its own investigation into the arrest, detention and death of Mossad agent Ben Zygier who died in an Israeli prison two years ago - and will ask Israeli officials to provide evidence. Ref. Source 2
Leak to ASIO led to arrest: ABC
Local Australia News
Ben Zygier's arrest believed to be on suspicions he told ASIO of his work for Mossad.
Source: The Sydney Morning Herald National Headlines
'Prisoner X' worked for Israeli govt
Australia's foreign minister has confirmed for the first time that a dual Australian-Israeli citizen who died in a maximum-security Israeli prison had been working for Israel's government, and he raised the possibility of a diplomatic spat if the man's Australian passport was used for espionage. Ref. Source 2