The employer may want to make sure that their potential employee is telling the truth. It's estimated that over 40% of resumes may contain false or tweaked information, so, employers want to ensure that what they are getting in an employee is what they were promised. The employer may desire to perform a background check to find out whether he/she actually graduated from the college they  said they did or to confirm that they worked at their previous employer(s) during the time stated on their resume or  job application. We at Fact Finders have reliable recourses to carry out detailed investigations about any person for his / her pre employment checks, which include character verification, previous employer's comments, education certificates verification, drug addiction, criminal record etc...