According to the Recruiting Times, it costs $7,000 to replace a salaried employee, $10,000 to replace a mid-level employee and $40,000 to replace a senior executive.
According to the Workplace Violence Institute, negligent hiring costs U.S. businesses in excess of $18 billion annually.
Nearly 10 percent of job applicants have a criminal record.  Nearly 40 percent of HR professionals report that over the past three years they increased the amount of time spent on referencechecking for potential employees, according to the 2005 Reference Checking Survey released by the Society of Human Resources Management (SHRM).
According to an article on MSNBC.com, national databases have a 41 percent error rate.  According to The Wall Street Journal, 34 percent of all applications contain outright lies about experience, education and ability to perform essential functions on the job.  Nearly 33 percent of job applicants list inaccurate dates of employment by more than three months.  9 percent of job applicants falsely claimed they had a college degree, listed false employers, or identified jobs that didn't exist according to Resume Inflation: Two Wrongs May Mean No Rights.   As many as 30 percent of jobseekers exaggerate their accomplishments, and about 10 percent seriously misrepresent their background according to The Complete Reference Checking Book.   On-the-job violence costs employers $36 billion each year according to Workplace Violence Research Institute.   The average award in a workplace violent lawsuit exceeds $1 million per case, according to Workplace Violence Research Institute.