What type of evidence is considered the most reliable in a criminal case?

Physical evidence is regarded as the most reliable type of evidence in a criminal case due to its tangible nature and objective characteristics. This type of evidence includes items such as fingerprints, blood samples, weapons, and any object directly related to the crime. Physical evidence can be scientifically tested and analyzed, which helps establish facts about the case with a high degree of certainty. When such evidence is properly collected and preserved, it can provide clear, indisputable links between the suspect and the crime scene or victim.

In contrast, witness testimony, while useful, can be influenced by perceptions, biases, or memory issues, leading to inaccuracies. Circumstantial evidence, which relies on inference rather than direct proof, can suggest a certain conclusion but does not provide definitive proof of a fact. Documentary evidence, such as records or written statements, while important, may also be subject to tampering or interpretation, making them less reliable than physical evidence, which stands on its own merit. Thus, physical evidence is prized for its direct connection to the events in question, enhancing its reliability and value in court.