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A third detainee released from illegal immigration detention has been arrested and charged by police as criticism of the federal government's handling of the High Court's decision grows.
Victoria Police confirmed Emran Dad, 33, was arrested in Dandenong after he allegedly breached his reporting obligations as a registered sex offender.
He was interviewed by police and charged with nine counts of failing to comply with reporting obligations.
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He was also charged with trespass in relation to a reported incident in Dandenong on November 24.
Dad faced Dandenong Magistrates' Court, where he was remanded in custody until December 14.
The federal opposition has alleged in parliament that Dad is the former ringleader of a child exploitation gang.
"It is reported that this man is a registered sex offender previously alleged by police to have headed a prostitution ring which preyed on children in state care," Senator Michaelia Cash alleged in parliament.
Victoria Police confirmed the arrested man was one of the detainees recently released after the High Court ruled indefinite immigration detention was unlawful where there was no prospect of people being deported in the reasonably foreseeable future.
More than 140 detainees were released after the ruling.
"Registered Sex Offenders living in Victoria are also subject to significant and rigorous reporting obligations as required by the Sex Offenders Registration Act 2004," Victoria Police said in a statement.
"They are required to provide a range of information about their personal circumstances on a regular on-going basis and may have an individual offender management plan that will differ depending on the level of risk."
Two other men arrested after release from detention
Earlier, two other men were arrested after being released from detention.
Aliyawar Yawari, 65, was arrested at a hotel in Adelaide and charged with indecent assault, allegedly against a woman at the premises.
Yawari was wearing an ankle bracelet and being monitored.
He appeared briefly before the Adelaide Magistrates Court yesterday and was formally refused bail to remain behind bars.
"This person has [allegedly] offended in a premises where he was entitled to be. We can't prevent that. No police can prevent that," SA Police Assistant Commissioner of Crime John Venditto said.
"The system worked well. Patrol, when they attended, they would have been aware this person was a detainee."
Yawari has previously been convicted of three serious assaults on women in South Australia.
One of those assaults occurred a month after he was given a suspended sentence.
Yawari is one of six former detainees living in South Australia.
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Venditto said if detainees are in temporary accommodation, like Yawari, police visits are frequent but officers "follow their instincts".
"We in South Australia visit all of them, so we go face-to-face when we're told where they are, we meet them, verify their identity and welcome them to South Australia,' he said.
"If there's a trailer in the driveway we'll be back the next day so we keep a tight eye on to know where they settle.
"We can't see around corners but we can see through BS."
A detainee was also arrested at an abandoned home in Sydney on Saturday on a lesser charge of drug possession.
The man has a history of gun violence, assault and theft.
Federal government to vote on new migration laws
Monitoring is continuing on the more than 140 detainees as the federal government votes on new migration laws in the coming days.
The laws will only apply to non-citizens who have committed "serious, violent or sexual offences" punishable by more than seven years in jail.
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The opposition has criticised the handling of the release of detainees by the government and their monitoring by authorities.
"Why was there no preparation? Why were there no contingencies? Why couldn't your government make plans to keep Australians safe?" Senator Simon Birmingham asked during parliament.
Venditto argued police had done the best they could given the short notice.
"If you wanted to set this up as a project, you'd ask for 12 months and 12 people. The Australian Border Force have done a magnificent job in what – four weeks?" he said.
