In a drink driving prosecution, the evidence can seem overwhelming. A positive breath test, a police officer's statement—it is easy to believe that the case is an open-and-shut matter. However, the law demands an incredibly high standard of procedural perfection from the police. The entire case is a chain of evidence, and if a single li

 In a drink driving prosecution, the evidence can seem overwhelming. A positive breath test, a police officer's statement—it is easy to believe that the case is an open-and-shut matter. However, the law demands an incredibly high standard of procedural perfection from the police. The entire case is a chain of evidence, and if a single li

 In a drink driving prosecution, the evidence can seem overwhelming. A positive breath test, a police officer's statement—it is easy to believe that the case is an open-and-shut matter. However, the law demands an incredibly high standard of procedural perfection from the police. The entire case is a chain of evidence, and if a single li

 In a drink driving prosecution, the evidence can seem overwhelming. A positive breath test, a police officer's statement—it is easy to believe that the case is an open-and-shut matter. However, the law demands an incredibly high standard of procedural perfection from the police. The entire case is a chain of evidence, and if a single li

 In a drink driving prosecution, the evidence can seem overwhelming. A positive breath test, a police officer's statement—it is easy to believe that the case is an open-and-shut matter. However, the law demands an incredibly high standard of procedural perfection from the police. The entire case is a chain of evidence, and if a single li