When an officer conducts a roadside investigation for suspected OVI , much of what happens is guided by formal training . Officers are taught specific procedures, specific sequences, and specific methods for evaluating impairment. These procedures are not optional. They exist to create structure and consistency in a situation that otherwise relies heavily on human judgment. Over time, however, officers often drift from the procedures they were taught. They shorten instruction

Field sobriety  tests often look official and scientific, but their reliability depends entirely on whether the officer followed very specific procedures. Most people do not realize that these roadside exercises only work when they are administered exactly as the National Highway Traffic Safety Administration  ("NHTSA") designed them. If an officer changes instructions, rushes through the test, skips required steps, or conducts the tests in poor conditions, the results lose v

Field sobriety tests are physical and cognitive exercises used by Ohio police officers during OVI investigations. The purpose of these tests is to help an officer determine whether there is probable cause to arrest a driver for operating a vehicle under the influence of alcohol or drugs. Although many people believe they are required to perform these tests, the truth is simple. Field sobriety tests are voluntary in Ohio. Refusing them is not a crime. An officer must have rea