Direct evidence is called to eliminate a specific act.

Direct evidencerefers tofirsthand accounts, recordings, or eyewitness testimonythat directly proves a fact. However, it doesnot necessarily eliminateother possible explanations for an act. Examples include:

Surveillance footagecapturing a suspect at a crime scene.

Witness statementsconfirming actions.

While direct evidence is compelling, investigatorsstill assess additional evidence to support conclusions​.

References:

McAfee Institute Digital Evidence Handbook

U.S. Court Evidence Rules

Federal Investigation Techniques Manual