Do you have a corporate or personal situation with unconfirmed suspicions that needs a professional assistance to dispel or confirm the suspicions? Private Investigators Derby has qualified and experienced experts in Lie detector test. Our examiners are swift to respond to your call and schedule a lie detector examination. They strictly confidential during the examinations and reporting the examination results and they make use of up-to-date technology lie detector equipment to insure accuracy and reliability. Our investigators are ready to assist you with a lie detector test for all your requests such as pre-employment screening, fraud and theft investigations, and fidelity and relationship issues among other situations.