[morphing libertarian]

you cannot sue the paroling authority. The government has all kinds of protections for bad decisions which get people killed.

[shotgun]

https://www.prisonlegalnews.org/news/publications/summary-of-in-re-dugard-mediation-cdcr-failure-to-supervise-sex-offender-garrido-2010/

This was that case where the young lady was kidnapped and repeatedly raped, had 2 children and held captive for 17 years or so and it happened in California.