Documentary evidence can include such things such as the results of lab tests or tests for DNA results.
Primary and secondary sources.
facts about a special topic, proving your correct.
Actually, circumstantial evidence can be more convincing than eyewitness evidence. That is what the TV show CSI is all about. If we find the accused person's fingerprints at the murder scene, the...
Direct evidence are visible noticable changes. Indirect evidence is when you might not see the action happen but you do notice the results