The answer is 8th Amendment
The results indicate that the 10 pieces of evidence mock jurors reported would be most important when deciding a verdict are (in order of importance): (1) DNA, (2) fingerprints, (3) weapon, (4) video records, (5) crime-scene photos, (6) gunshot residue, (7) other bodily secretions, (8) video confession, (9) forensic ...
Trials in criminal and civil cases are generally conducted the same way. After all the evidence has been presented and the judge has explained the law related.