• Evidence Gathering: PIs locate and collect evidence that supports the defense, which can include physical evidence, digital records, and other crucial documents. 
• Witness Interviews: They interview witnesses, victims, and others who may have relevant information, ensuring their accounts are documented. 
• Background Checks: Background investigations on individuals involved in the case, including witnesses or even the defendant, can reveal information that is critical for the defense. 
• Crime Scene Examination: PIs may examine crime scenes, take photographs, and create diagrams, often finding details that may have been overlooked by initial police reports. 
• Surveillance: PIs can conduct surveillance to gather information or verify facts related to the case. 
• Expert Testimony: They may be called to testify in court about their findings and investigative methods. 
• Challenging Prosecution Claims: A skilled investigator reviews the prosecution's evidence, looking for inconsistencies, errors, or violations of the defendant's rights. 

• Objective Perspective: PIs offer a fresh, objective look at the case, rather than relying solely on the prosecution's narrative. 
• Legal Expertise: They have expertise in understanding legal processes, ensuring that all evidence is obtained legally and preserved for court. 
• Enhanced Defense Strategy: The evidence and insights gathered by a private investigator can be used to build a stronger, more effective defense. 
• Access to Resources: PIs have access to specialized tools, databases, and networks that may not be available to the defense attorney.