More here:
https://www.abc.net.au/news/2026-02-09/bondi-shooting-spy-claims-told-asio-terro...Marcus's relationship with ASIO fell apart.
He was charged in 2022 with multiple accounts of assault and stalking, which were later withdrawn and dismissed.
His cover was also blown and he took out a restraining order, telling a Sydney court that extremists threatened to harm him because they discovered his work with ASIO.
ASIO withdrew its support for his permanent residency and he left the country in 2023.
In its statement to Four Corners, ASIO described Marcus as "unreliable and disgruntled".
Marcus denied those claims, saying, "I stand by my whistleblowing".
"I am disappointed that ASIO has chosen to denigrate me … My whistleblowing is in the public interest," he said.
"The allegation I am unreliable does not withstand scrutiny.
"If I were … ASIO would not have tasked me with infiltrating dangerous local and international terror networks and gathering important intelligence on their members."
He said his intelligence resulted in "successful prosecutions of terrorists and prevention of a number of … terrorist attacks".