In the presence of whom must a Law Enforcement officer request a chemical analysis?

A law enforcement officer must request a chemical analysis in the presence of someone licensed to conduct such a test because this is crucial for ensuring the integrity and validity of the procedure. Licensed individuals are trained and certified to administer chemical tests properly, ensuring they follow specific legal and procedural guidelines. This ensures that any results obtained from the analysis are admissible in court and can withstand scrutiny.

In the context of the law, it is important for the chemical analysis to be conducted by qualified personnel to avoid issues related to the accuracy of the results and the chain of custody of the samples. This helps maintain public confidence in the justice system and upholds the standards of law enforcement practices.

The other options do not provide the necessary qualifications or legal framework to ensure that the chemical analysis is valid and reliable. For instance, although having another officer present might provide witness support, they may not have the expertise required to properly conduct the analysis. Likewise, a doctor may be knowledgeable in medical testing but not necessarily be licensed or trained specifically in administering chemical analyses under the legal standards set forth by the state. A witness may provide accountability, but without the appropriate qualifications, their presence would not ensure the process meets the required legal standards.