There are a number of devices and techniques commonly used for the purpose of producing information to be used as evidence. These devices and techniques are the tools of investigators. The appellate courts of Georgia dealt in an interesting way with several of these tools in the past year, namely, polygraph tests, bloodhounds and blood alcohol tests.
Gregory, Hardy Jr.
Mercer Law Review: Vol. 32
, Article 7.
Available at: https://digitalcommons.law.mercer.edu/jour_mlr/vol32/iss1/7