1) BBC television documentary 2) Bystander, often 3) Disney Channel show 4) Emmy Award-winning program 5) Evidence giver 6) He saw it happen 7) Looker 8) One who sees firsthand 9) Onlooker 10) Person on the scene 11) Police may look for one 12) See firsthand 13) Spectator 14) Trial participant 15) Viewer 1) Beholder 2) Observer 3) Onlooker 4) Spectator 5) Viewer 6) Watcher 
• (n.) One who sees a thing done; one who has ocular view of anything.
n. Someone who observed an event and can testify in court.
Eye'wit`ness noun One who sees a thing done; one who has ocular view of anything. « We . . . were eyewitnesses of his majesty.» 2 Pet. i. 16. 
A person who has actually seen or observed an event and can so testify in court. Compare: earwitness.
[n] - a spectator who can describe what happened
noun a spectator who can describe what happened
a person who actually sees some act, occurrence, or thing and can give a firsthand account of it: There were two eyewitnesses to the murder.