It's expected twice-convicted double-murderer Mark Lundy will be slipped back into the community. 

He's been released from prison after more than 23 years for the murders of his wife Christine and 7-year-old daughter, Amber, in their Palmerston North home. 

The now 66-year-old has always maintained his innocence 

Criminal lawyer Steve Cullen told Mike Hosking where parolees are released is never made public. 

He says there'd be a risk of vigilante groups or media throngs if it was. 

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