It also depends on what the fugitive did. If she's harboring a murderer she could get years in state prison as an accomplice after the fact. If she's just hiding a shoplifter she might not get anything.
She gets an attorney to hep defend her.
If she is convicted of the charge, she could be fined $5,000; she could spend any time from 0 days to three years in jail.
Other than the prosecution's assertions which you have given us, we have no facts to suggest what might be the outcome.
The above is not intended as legal advice. The response does not constitute the creation of an attorney client relationship as this forum does not provide for a confidential communication.
In order to be an accessory, a person must actively assist a person, knowing the person has committed a felony.
The maximum on an accessory charge is three years (Penal Code section 32).