Answer: Both Jeff and Sandra because of the employer's direct liability for wrongful hiring
Step-by-step explanation:
Based on the information given above, both Jeff and Sandra are liable. Jeff committed the offence and Sandra is liable because of her direct liability for wrongful hiring.
Direct liability refers to an economic entity's legal obligation as a result of an act of negligence which results in damages to properties or injuries to humans.
Therefore, both Jeff and Sandra are liable.