PHOTOS: Celebs in Trouble with the Law
Davis' September 21 execution for murder sparked worldwide protests and brought public outcry against capital punishment.
PHOTOS: Remembering Aaliyah, 10 Years Later
The crowd was brought to its feet in a chant of "I am Troy Davis" led by Benjamin Todd Jealous, national president of the NAACP. Many of those in attendance also wore t-shirts with the slogan, which supporters used to paint Davis as an everyman forced to face the executioner by a faulty justice system.
R.I.P Troy Davis...