| Warrantless Searches of Motor Vehicle Occupants |
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| In the ordinary case, a search of private property must be both reasonable and conducted pursuant to a properly issued search warrant. However, law enforcement officers are empowered to search an automobile without a warrant, so long as it can be demonstrated that exigent circumstances rendered the obtaining of a warrant an impossible or impractical alternative and that probable cause existed for the search. The doctrine was initially premised on the notion that there was a constitutional difference between houses and cars, which are inherently mobile. However, mobility is no longer the prime justification for the automobile exception; rather, it is the diminished expectation of privacy which surrounds the automobile. More... |
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| Criminal Offense of Driving without a Valid Driver's License |
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| It is illegal to drive a vehicle on a street or highway without a valid driver's license. The right to drive an automobile on public roads is a privilege and not a right. The right to operate a motor vehicle is granted by the state, and its use depends upon the motorist complying with the conditions prescribed in granting the license. More... |
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| Displaying a Fictitious or Fraudulent Inspection Certificate |
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| The 1990 Clean Air Act required the implementation of vehicle inspection and maintenance programs in areas that were moderate or worse nonattainment for ozone or carbon monoxide. Over half of the states have such programs in operation. The vehicle inspection programs vary by state. Some of the programs test only emissions, while other programs include inspections for safety features along with the emissions tests. More... |
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| Criminal Offense of Failure to Use/Improper Use of Turn Signals, Headlights, and Emergency Flashers |
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| In the exercise of its police power, a state may establish minimum equipment and usage standards for lighting equipment of motor vehicles, including headlamps, rear lighting, turn signals, and hazard warning lights. More... |
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| Role of Expert Testimony in Drunk Driving Cases |
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| When an individual has been charged with drunk driving, the State will often present expert testimony concerning chemical tests. The State is required to provide a proper foundation for chemical tests. However, if the defense can show that the State's expert lacked the required qualifications or that another key component of a proper foundation for admissibility is missing, the defense can object to the admission of the chemical tests. Although courts may allow an expert to testify regarding the results of tests done by a lab technician under the expert's direct supervision, the evidence can be excluded if the defense can show that the expert witness had no knowledge about the details of the chemical analysis other than what the technician reported.
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