Verifying witness reliability – By means of interviews and investigation, private investigators affirm the reliability of witness accounts in legal battles. Some organizations present lie detector checks using a polygraph device For an additional cost. The listing under information the frequently sought-soon after varieties of investigation and their common cost https://www.arpas.com.tr/chooselanguage.aspx?language=7&link=http%3A%2F%2Fdetectiveathina.gr%2F