Minnesota DWI Defense Blog

The state is hiding calibration data. We need more transparency in forensic science. Read More

The state testing labs don't keep up with the latest science of alcohol testing. But we do—we act as independent auditors for the state crime lab. Read More

Last week, we had TWO major victories for our clients! Here’s how we did it. Read More

There's a major flaw in breath alcohol testing that nobody is talking about: hematocrit levels. Higher hematocrit = higher breath alcohol. Read More

We had 4 wins last week. Here's how we won one involving our client's inability to provide a sample. Read More

The state uses the wrong partition ratio to certify its breath alcohol machines, even though the scientific literature has been telling them otherwise for over 40 years! Read More

Improper dry gas reference material is being used by officers with the DMT breath alcohol machine, and the state is covering up the problem. Read More

Quality results come from properly calibrated machines. When it comes to the state breath machine, the state has chosen convenience over science. Read More

The way you breathe can affect your breath alcohol test. The simple act of taking a deep breath could put you over the legal limit. Read More

Normal compounds on your breath could push you over the legal limit. Don't be a victim of the state's shoddy breath alcohol machine. Read More

The state alcohol labs have been less than forthright in fixing their errors. Learn about the latest problems. Read More

I've found more anomalies with the state's breath alcohol machine. We need answers to when it flags for interfering substances. Read More

Scientists at the BCA can't decide how much normal compounds found in human breath affect a breath alcohol test. I went back to the original manufacturer's documents to find out more. Read More

There's a big problem in breath alcohol testing that nobody is talking about. It's the problem of breath temperature. The amount of alcohol in your breath is sensitive to your breath temperature. Scientists need to start taking it into account. Read More

The longer you blow into the State's breath machine, the higher the reading goes. This is unfair to individuals who provide more than the minimum volume of air required. Citizens deserve a better test. Read More

It seems our legislators may have been suffering from reefer madness when they wrote the latest bill to "legalize" marijuana. The bill gives millions of dollars to pseudoscientific oral fluid testing and bogus drug recognition evaluator training. Read More

The BCA didn't have a recipe for their acetone solutions for over 10 years. It turns out, their new recipe isn't much better than not having one at all. Read More

The State fails to report blood, breath, and urine alcohol measurements properly. Good science requires that they do. We must hold the State to a higher standard. Read More

A former State breath lab employee has analyzed breath samples on the DMT. He's found that small amounts of normal compounds on your breath could put you over the legal limit. Read More

Breath testing is fundamentally unfair due to large differences in lung capacities amongst different groups of people. Read More