Is the machine used to test my breath alcohol concentration accurate and reliable?
It depends on who you believe. What is undisputed is that the manufacturer does not warrant or guarantee that the Intoxilyzer is fit for its intended purpose of determining the alcohol concentration in a sample of human breath. The machine is a self-checking piece of equipment and the machine’s operator will assume “all is well” unless the machine says it has a problem. It is well-known among DWI attorneys that the machine will report proper functioning even in the face of having several of its key components disconnected. Moreover, the computer program which performs the crucial calculations remains a secret.
