On This Day, April 28
- 2004: CBS News releases evidence of the Abu Ghraib torture and prisoner abuse. The photographs show rape and abuse from the American troops over Iraqi detainees.
- 1996: Whitewater controversy: President Bill Clinton gives a 41⁄2 hour videotaped testimony for the defense.
- 1996: Port Arthur massacre, Tasmania: A gunman, Martin Bryant, opens fire at the Broad Arrow Cafe in Port Arthur, Tasmania, killing 35 people and wounding 23 others.
- 1994: Former Central Intelligence Agency counterintelligence officer and analyst Aldrich Ames pleads guilty to giving US secrets to the Soviet Union and later Russia.
- 1991: Space Shuttle Discovery launches on STS-39, the first unclassified shuttle mission for the United States Department of Defense.