Tennessee Court Services Share: Private Investigation/Polygraph Visit Website Request Info 448 N. Cedar Bluff Rd Suite 102 Knoxville, TN 37923 (833) 862-7827 Tennessee Court Services LinkedIn Facebook Hours: 24 Hours About Map About Private Investigation-Process Serving-Mobile Notary Firm Directions Contact Us to Schedule an Appointment What's Nearby? Distance: 5 10 15 20 25 50 mi.