A. Employers are not advised to allow an employee to start working before completing the pre-employment screening process. Although many times pre-employment screening is just a formality, some applicants will not pass. Allowing an unscreened employee to start working undermines your background screening program and can subject you to negligence liability if the employee is unsuitable due to his or her background. If pre-employment screening is conducted after making an offer of employment, employers should inform applicants that the offer is contingent on their successful completion of the pre-employment process.