The detainees are among at least 141 people who were released into the community following a landmark high court ruling.
The department declined to reveal the specifics when asked how many of the individuals were held in circumstances that violated their human rights.
A third released detainee has been arrested.
Home Affairs Minister Clare O'Neil is vowing to introduce legislation, amid pressure from the Opposition.
“The implications of this for Australia and the Australian community is very disturbing,” Senator James Paterson said.
The detainees are among at least 141 people who were released into the community following a landmark high court ruling.
The department declined to reveal the specifics when asked how many of the individuals were held in circumstances that violated their human rights.
A third released detainee has been arrested.
Home Affairs Minister Clare O'Neil is vowing to introduce legislation, amid pressure from the Opposition.
“The implications of this for Australia and the Australian community is very disturbing,” Senator James Paterson said.