What factors convinced them to change their votes?

• the knife was not one of a kind

• the old man's testimony moght have included things taken out of context

• the boy returned home

• the old man downstairs could not have made it to the stairwell in 15 seconds as claimed

• the boy may have been unable to remember the name of the film at the movie theatre because he was under emotional stress

• the old woman across the way may not have been wearing her glasses