The power and authority held by police officers are not without limit. Police are bound to certain procedures and rules when it comes to traffic stops, arrests, and interrogations. When police act in violation of these rules, it can have a significant impact on a criminal case.
One potential defense strategy in a Texas DWI case is lack of probable cause for the initial traffic stop or the DWI arrest. If police do not have probable cause, evidence obtained by police may be inadmissible during the DWI case.
Police Need Reasonable Suspicion of a Crime to Pull Someone Over
The Constitution and other legislation require police officers to have justification for a traffic stop or arrest. Police cannot lawfully pull someone over solely because of their race or the neighborhood they were driving in. They must have a reasonable suspicion that a crime was committed. For example, police may pull someone over if they witness a driver run a red light or weave in and out of lanes or if the driver has a broken taillight. Police must be able to point to the specific reason that they pulled someone over. If they cannot give a valid reason for the initial traffic stop, evidence obtained during the traffic stop (such as breathalyzer results) may be thrown out.
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