The Hakkens are facing life in prison for taking back their children.

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... Because weapons were involved, the Hakkens could be facing multiple charges carrying lifelong sentences. Kidnapping for the purpose of committing a felony and burglary with battery are both felonies punishable by life in prison, Tampa lawyer Rick Terrana said.

"They are literally legal strangers to the children, therefore it is straight-up kidnapping," Marchese said. "They will have a very difficult time in the criminal arena. You'll never be able to tell a biological parent, 'You are no longer the parent.' They don't understand that." (...)
Authorities have also added a "child abuse" charge, for inflicting "mental injury" on the children. Considering the children thought they were on vacation, that seems like a pretty odd charge to hit them with.

Bail has been denied for both of them.

Onward and upward,
airforce