Maryland Drunk Driving Lawyer           Jack I Hyatt             410 - 486 - 1800

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Former Assistant State's Attorney
Admitted To Practice Before:

  • The United States Supreme Court

  • All Maryland Courts
  • Federal District Court for the District of Maryland


  • Maryland State Bar Association 

  • Baltimore City Bar Association 
  • Baltimore County Bar Association 

University of Baltimore 
A.A. B.S. J.D. 
Honorable Discharge U.S. Army


Jack I. Hyatt
Attorney at Law
1866 Autumn Frost Lane
Baltimore, MD 21209-1131

Sobriety checkpoints teeter on a delicate precipice between legitimate public safety and infringement upon a citizen's Fourth Amendment protection against unreasonable search and seizure. The issues that weighed in this precarious balance include the gravity of the public concerns served by the seizure, the degree to which the seizure advances the public interest and the severity of the interference with individual liberty. Many states consider sobriety checkpoints constitutionally valid, while others do not. Need help with your dui case? Call 410-486-1800 to speak to Jack Hyatt today!

The Standardized Field Sobriety Test (SFST) is a series of three tests administered and evaluated in a standardized manner to obtain valid indicators of impairment and establish probable cause for arrest. These tests were developed as a result of research sponsored by the National Highway Traffic Safety Administration (NHTSA). A formal program of training was developed and is available through NHTSA to help police officers become more skillful at detecting DUI suspects, describing the behavior of these suspects and presenting effective testimony in court. Formal administration and accreditation of the program is provided through IACP. The three tests of the SFST are the horizontal gaze nystagmus (HGN), the walk-and-turn, the one-leg stand. These tests should be administered systematically and objectively evaluated according to measured responses of the suspect. There's no substitute for experience! Call 410-486-1800 to talk with Jack Hyatt now.

The walk-and-turn test and one-leg stand test are "divided attention" tests that are easily performed by most sober people. They require a suspect to listen to and follow instructions while performing simple physical movements. This test is based on the fact that impaired persons have difficulty with tasks requiring their attention to be divided between simple mental and physical exercises. Call Jack Hyatt at 410-486-1800 to get answers to your questions today!

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