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ILLEGAL STOP OF PERSON OR VEHICLE - a driver cannot
be stopped unless the officer has a reasonable and articulate basis
to believe that a traffic law or other law has been violated. Similarly,
a person cannot be seized unless a violation has occurred.
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WEAVING INSIDE THE LANES IS NOT ILLEGAL - weaving
without crossing any lines is not a violation of the law, and a vehicle
cannot be stopped for that reason.
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ANONYMOUS REPORT OF DRUNK DRIVING - a car cannot
be stopped simply because an anonymous citizen reported that the driver
was drunk.
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STANDARD FIELD SOBRIETY TESTING IS INACCURATE - in
healthy individuals, the one-leg stand test is only 65% accurate, and
the walk-and-turn test is only 68% accurate in determining if a person
is under the influence. Those persons with injuries, medical conditions,
50 pounds or greater overweight, and 65 years or older cannot be validly
judged by these tests.
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NON-STANDARDIZED FIELD TESTS ARE INVALID - neither
the Federal Government (NHTSA) nor medical science considers touching
your finger to your nose, or saying the alphabet, or counting backwards,
as valid sobriety tests.
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BREATH TESTING IS INACCURATE - virtually all experts
concede that one breath test alone is unreliable. Breath testing is
subject to various inaccuracies, including a variance as much s +/-
12.5%, non-specificity for ethanol, etc.
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BOOKING ROOM VIDEOS - Many police stations videotape
suspects at the police station, where their speech is clear and their
balance is perfect, in spite of police testimony to the contrary.
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IN-SQUAD VIDEOS - more and more often, the suspect's
driving and performance on field tests is being recorded; often contradicting
police testimony.
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FAILURE TO PROVIDE SPEEDY TRIAL - If a client is
not provided with a trial within a certain period of time, which varies
between states, through delays of the court or prosecutor, the charges
must be dismissed.
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POLICE BLOOD TEST INACCURATE - Many times, police
blood testing fails to follow prescribed rules of testing, analysis,
or preservation recommendations.
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HOSPITAL BLOOD TEST INACCURATE - Hospital blood tests
overestimate a person's true level by as much as 25% in healthy, uninjured
individuals, and are not statistically reliable in severely injured
persons.
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BREATH TEST OPERATOR UNLICENSED - Most states require
a Breath Test Operator to possess a valid, unexpired operator's license,
or the breath test result is inadmissible.
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BREATHALYZER MACHINE MALFUNCTIONS - Most states specify
that if there is a malfunction or repair of the breath test instrument
within a certain period of time before or after a suspect's breath
test, the results of the suspect's test are presumed invalid.
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BREATH TEST OPERATOR LICENSE EXPIRED - Most states
require that a Breath Test Operator must possess an unexpired operator's
license, or the breath test result is inadmissible.
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BREATH TEST DEVICE NOT APPROVED - A breath-testing
instrument must be listed on the Federal List of Approved Breath Evidential
Instruments and the ISP approved list of Devices, or the results are
inadmissible.
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FAILURE TO PROVE DRIVING UNDER THE INFLUENCE - A
defendant's admission to driving, without more, does not prove a charge
of driving under the influence.
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INDEPENDENT WITNESSES - Often times, independent
witnesses to accidents, bartenders, hospital personnel and others can
provide crucial evidence of the defendant's sobriety.
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FAILURE TO MIRANDIZE - Prosecutors may not use as
evidence the statements of a defendant in custody for a DUI when the
police have failed to properly issue Miranda Warnings.
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FIELD SOBRIETY TEST IMPROPERLY ADMINISTERED - According
to the National Highway and Traffic Safety Administration, improperly
administered field tests are not valid evidence of intoxication.
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OFFICER'S PRIOR DISCIPLINARY RECORD - A police officer's
previous disciplinary record can be used to attack the officer's credibility.
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PORTABLE BREATH TEST INADMISSIBLE - Most states prohibit
the use of portable breath testing results as evidence at trial in
a DUI case.
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PORTABLE BREATH TEST IMPROPERLY ADMINISTERED - The
manufacturers of portable breath testing devices require a minimum
of two tests to consider the results evidential in nature.
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FAILURE TO CONDUCT OBSERVATION PERIOD - Most states
require that a driver be observed continuously for a minimum period,
such as twenty minutes, prior to a breath test in order for the results
to be considered admissible and valid.
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EXPERT WITNESSES - Expert witnesses are available
to review the validity of breath tests, blood tests and field sobriety
tests.
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MEDICAL AND HEALTH PROBLEMS - Medical problems with
legs, arms, neck, back and eyes can affect the results of field sobriety
tests. Further, other medical conditions can also affect the validity
of breath test results.
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BAD WEATHER - Weather reports establishing high winds,
low visibility, and other conditions are available to explain poor
driving or poor balance.
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LACK OF PROBABLE CAUSE TO ARREST - A police officer
must have specific and articulable facts to support any arrest for
DUI, or the suspension will be reversed and the evidence suppressed
at trial.
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ILLEGAL SEARCH - The police are prohibited from searching
a person or the automobile for a minor traffic offense, and may not
search a car without a driver's consent or probable cause. Any evidence
illegally obtained is not admissible in court.
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PRIOR INCONSISTENT STATEMENTS BY POLICE OFFICERS - Any
statement made by a police officer, verbally, in police reports, or
at previous court proceedings may be used to attack that officer's
credibility.
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POST-DRIVING ABSORPTION OF ALCOHOL - The prosecutor
must prove the blood or breath alcohol at the time of driving.
Recent consumption of alcohol just prior to driving will cause the
test results to be higher than what the true level
was when the person was operating the automobile.
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INTERFERING SUBSTANCES - Many items contain forms
of alcohol, which may cause false results, such as asthma spray, cough
drops, paints, fingernail polish. These items can cause the breath
results to be invalid.
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BREATH MACHINE NOT PROPERLY OPERATED - The manufacturers
of breath testing devices have specified protocols, which must be followed
for a breath result to be valid. Failure to follow these requirements
will result in improper readings.
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FAILURES TO PRODUCE DISPATCH TAPES - Most stops of
vehicles are recorded on dispatch tapes, as well as recording police
communications regarding an arrest of an individual. Failure to preserve
such tapes upon request can cause all evidence, which could have been
recorded to be suppressed.
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MISLEADING STATEMENTS BY POLICE OFFICERS - Any misleading
statement by the police regarding the consequences of taking (or refusing)
a blood, breath, or urine test will cause the suspension to be reversed
and removed from the driver's record.
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STATUTES OF LIMITATIONS - A misdemeanor charge of
DUI must be filed within a certain period of time (which varies between
states) of the date of offense, or the charges will be dismissed outright.
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PRIVATE PROPERTY - A person who has not driven the
car on a public highway cannot be suspended for drunk driving.
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FAILURE TO DISCLOSE EXPERTS - The failure of the
prosecutor to disclose the state's expert(s) will cause those witnesses
to be barred from testifying against the defendant.
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LACTATE RINGERS - When hospital staff use lactate
ringers during the treatment of a patient, the hospital blood serum
results will report falsely elevated, and therefore invalid, readings.
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FAILURE TO RECORD CERTIFICATION TESTS - the failure
to include the value of the simulator solution used to test breath
machines will cause the breath test results to be inadmissible in court
against the driver.
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FORCED BLOOD DRAWS - In some states, the police may
not take a blood test against the driver's consent where there has
not been an injury involved, or the result is inadmissible.