In order for investigations to be fair, accurate, and unbiased, law enforcement officials must follow a variety of policies and procedures. Some key considerations include:
1. Obtaining statements from all relevant witnesses.
2. Collecting evidence including physical evidence, victim testimony, and electronic records.
3. Investigating all leads and options thoroughly.
4. following standard investigative techniques such as collecting DNA evidence and questioning suspects in a neutral setting.
When errors are made during an investigation, it can result in unfairness for the accused. Consequently, officers should work to adhere to established guidelines in order to ensure that investigations are conducted fairly and accurately.