Direct evidence is evidence that tends to prove a fact directly – for example, when the witness testifies about something which that witness personally saw or heard.
Circumstantial evidence is evidence of circumstances that can be relied upon not as proving a fact directly, but instead pointing to its existence.
It requires that an inference be made about the likelihood of the scenarios being presented.
Both evidence must be considered by jury
Investigators collect evidence to in order to prove or establish that a crime has taken place and that the evidence proves that the accused physically committed the act beyond reasonable doubt