Drunk driving cases turn on source code

Brutuskend

Lifer
Apr 2, 2001
26,558
4
0
MIAMI - Timothy Muldowny's lawyers decided on an unconventional approach to fight his drunken driving case: They sought computer programming information for the Intoxilyzer alcohol breath analysis machine to see whether his test was accurate.

Their strategy paid off.

The company that makes the Intoxilyzer refused to reveal the computer source code for its machine because it was a trade secret. A county judge tossed out Muldowny's alcohol breath test ? a crucial piece of evidence in a DUI case ? and the ruling was upheld by an appeals court in 2004.

Since then, DUI suspects in Florida, New York, Nebraska and elsewhere have mounted similar challenges. Many have won or have had their DUI charges reduced to lesser offenses. The strategy could affect thousands of the roughly 1.5 million DUI arrests made each year in the United States, defense lawyers say.

"Any piece of equipment that is used to test something in the criminal justice system, the defense attorney has the ability to know how the thing works and subject its fundamental capabilities to review," said Flem Whited III, a Daytona Beach attorney with expertise on DUI defense.

The Intoxilyzer, manufactured by CMI Inc. of Owensboro, Ky., is the most widely used alcohol breath testing machine in the United States and is involved in the vast majority of these legal challenges. It is used exclusively by law enforcement agencies in 20 states, including Florida, and by at least some police agencies in 20 other states, according to the company.

Most states have "implied consent" laws for motorists requiring DUI suspects to blow into a breath analysis machine if asked to do so by a police officer.

"The breath test is an integral part of any prosecution," said Earl Varn, an assistant state attorney in Sarasota.

In Florida, state law currently considers a breath test valid if the machine is approved by the Florida Department of Law Enforcement and the person administering the test is qualified. The law also says that a defendant is entitled to "full information concerning the test taken" if such a request is made.

The meaning of that phrase is the key to the DUI challenges in Florida and other states with similar laws.

DUI defense lawyers insist that "full information" means every minute detail about the Intoxilyzer, including the source code used by its computer processor to analyze breath samples, should be subjected to review by expert defense witnesses. Some judges have agreed.

"It seems to us that one should not have privileges and freedom jeopardized by the results of a mystical machine that is immune from discovery," Florida's 5th District Court of Appeal ruled in Muldowny's case, which resulted in his charges being reduced to reckless driving.

CONTINUED:
 

Phoenix86

Lifer
May 21, 2003
14,644
10
81
Rut-roh.

Give up the source code and give every competitor the keys to the castle, or hold on to it at the risk of making it useless. Interesting.
 

pontifex

Lifer
Dec 5, 2000
43,804
46
91
Originally posted by: alexeikgb
awsome...

you think people getting away with drunk driving because a company won't give up its source code is awesome?

 

TGS

Golden Member
May 3, 2005
1,849
0
0
Just make the code available for review, under NDA.... done. If the code comes through without any issues the first few times, I'm sure people will stop asking.
 

Feldenak

Lifer
Jan 31, 2003
14,090
2
81
Originally posted by: pontifex
Originally posted by: alexeikgb
awsome...

you think people getting away with drunk driving because a company won't give up its source code is awesome?

I do. It's a poorly written law, this is the best way to get it changed.
 

pontifex

Lifer
Dec 5, 2000
43,804
46
91
Originally posted by: Feldenak
Originally posted by: pontifex
Originally posted by: alexeikgb
awsome...

you think people getting away with drunk driving because a company won't give up its source code is awesome?

I do. It's a poorly written law, this is the best way to get it changed.

what exactly is poorly written about it?
 

pontifex

Lifer
Dec 5, 2000
43,804
46
91
Originally posted by: Feldenak
Originally posted by: pontifex
Originally posted by: alexeikgb
awsome...

you think people getting away with drunk driving because a company won't give up its source code is awesome?

I do. It's a poorly written law, this is the best way to get it changed.

what exactly is poorly written about it?
 

mercanucaribe

Banned
Oct 20, 2004
9,763
1
0
Originally posted by: pontifex
yay! more drunken drivers out there to kill innocent people.

Maybe they should release the source code, unless they have something to fear. Trade secret? For Christ's sake it's a device that measures alcohol in the air that comes into it, not Windows Longhorn. It's obvious they are hiding something.

I agree with the FEDERAL COURT, who I'm sure hates drunk driving as much as any armchair prosecutor.

"It seems to us that one should not have privileges and freedom jeopardized by the results of a mystical machine that is immune from discovery," Florida's 5th District Court of Appeal ruled in Muldowny's case, which resulted in his charges being reduced to reckless driving.
 

Feldenak

Lifer
Jan 31, 2003
14,090
2
81
Originally posted by: pontifex
Originally posted by: Feldenak
Originally posted by: pontifex
Originally posted by: alexeikgb
awsome...

you think people getting away with drunk driving because a company won't give up its source code is awesome?

I do. It's a poorly written law, this is the best way to get it changed.

what exactly is poorly written about it?

In Florida, state law currently considers a breath test valid if the machine is approved by the Florida Department of Law Enforcement and the person administering the test is qualified. The law also says that a defendant is entitled to "full information concerning the test taken" if such a request is made.

That part needs to be changed. Full information does not need to include the source code...perhaps something about proper calibration tests or something.

Either way, I think the DUI laws are a tad too strict...we're slowly working our way to having a glass of wine or 2 with dinner will get you a DUI charge.
 

TheoPetro

Banned
Nov 30, 2004
3,499
1
0
this may get me out of underage drinking charges if i get caught. i sure as sh!t wont be drivin tho
 

jagec

Lifer
Apr 30, 2004
24,442
6
81
Originally posted by: TGS
Just make the code available for review, under NDA.... done. If the code comes through without any issues the first few times, I'm sure people will stop asking.

No need. Just make up sample "breath" solutions out of CO2, oxygen, water vapor, and alcohol in known quantities. Use various "BAC" levels, and calibrate the detector with them.
 

PingSpike

Lifer
Feb 25, 2004
21,758
603
126
I think the NDA idea presented is the best course of action here. The law is pretty clear that they do in fact have a right to view the source code of the device primarily used to convict them, which actually seems fair enough.
 

BigJ

Lifer
Nov 18, 2001
21,330
1
81
Originally posted by: TGS
Just make the code available for review, under NDA.... done. If the code comes through without any issues the first few times, I'm sure people will stop asking.

Because nobody ever leaks information under a NDA, especially if there is a profit involved.
 

Armitage

Banned
Feb 23, 2001
8,086
0
0
Originally posted by: jagec
Originally posted by: TGS
Just make the code available for review, under NDA.... done. If the code comes through without any issues the first few times, I'm sure people will stop asking.

No need. Just make up sample "breath" solutions out of CO2, oxygen, water vapor, and alcohol in known quantities. Use various "BAC" levels, and calibrate the detector with them.

What if there are "easter eggs" - maybe push some buttons in a certain sequence to always get a positive (or negative), etc. Only a source code review will turn that up.

I'm not saying there are - but it could happen. I'm sure there are a few bad cops out there who would like that feature.

I agree with the court on this one - the manufacturers trade secrets don't trump justice. If you want to be in this business, you're subject to increased scrutiny. Same way for the voting machine debate.
 

KarenMarie

Elite Member
Sep 20, 2003
14,372
6
81
that is disgusting.

i hate when ppl do bad stuff the use a technicality in the system to skate from their guilt.
 

waggy

No Lifer
Dec 14, 2000
68,143
10
81
Originally posted by: Armitage
Originally posted by: jagec
Originally posted by: TGS
Just make the code available for review, under NDA.... done. If the code comes through without any issues the first few times, I'm sure people will stop asking.

No need. Just make up sample "breath" solutions out of CO2, oxygen, water vapor, and alcohol in known quantities. Use various "BAC" levels, and calibrate the detector with them.

What if there are "easter eggs" - maybe push some buttons in a certain sequence to always get a positive (or negative), etc. Only a source code review will turn that up.

I'm not saying there are - but it could happen. I'm sure there are a few bad cops out there who would like that feature.

I agree with the court on this one - the manufacturers trade secrets don't trump justice. If you want to be in this business, you're subject to increased scrutiny. Same way for the voting machine debate.

i fully agree.

If you are charged and the main evidence is from a machine you should have every right to know how that machine works.

To deney someone the right to view the evidence and make sure it is 100 correct is insane. that just does not seem fair.

I think certain machines people should have 100% access to all parts. Such as this and the voting machines. People have to be able to trust that the machines are correct and no way to manipulate results.
 

BigJ

Lifer
Nov 18, 2001
21,330
1
81
Originally posted by: Armitage
Originally posted by: jagec
Originally posted by: TGS
Just make the code available for review, under NDA.... done. If the code comes through without any issues the first few times, I'm sure people will stop asking.

No need. Just make up sample "breath" solutions out of CO2, oxygen, water vapor, and alcohol in known quantities. Use various "BAC" levels, and calibrate the detector with them.

What if there are "easter eggs" - maybe push some buttons in a certain sequence to always get a positive (or negative), etc. Only a source code review will turn that up.

I'm not saying there are - but it could happen. I'm sure there are a few bad cops out there who would like that feature.

I agree with the court on this one - the manufacturers trade secrets don't trump justice. If you want to be in this business, you're subject to increased scrutiny. Same way for the voting machine debate.

When you get down to the station, request a blood toxicology test.
 

waggy

No Lifer
Dec 14, 2000
68,143
10
81
Originally posted by: KarenMarie
that is disgusting.

i hate when ppl do bad stuff the use a technicality in the system to skate from their guilt.

and i hate it when people are not allowed to fully defend themselves because of "trade secrets".