1999 Atlanta day trading firm shootings
On July 29, 1999, a shooting spree occurred at two Atlanta-area day trading firms, Momentum Securities and the All-Tech Investment Group. Nine people were killed, and 13 other people were injured. The gunman, identified as 44-year-old former day trader Mark Orrin Barton, later committed suicide in Acworth before he could be apprehended by police.
| 1999 Atlanta day trading firm shootings | |
|---|---|
| Location | Stockbridge and Atlanta, Georgia, U.S. |
| Date | July 27–29, 1999 |
| Target | His wife, two children, and day trading firms |
Attack type | Mass shooting, spree shooting, murder–suicide, familicide |
| Weapons | |
| Deaths | 13 (10 by gunfire, including the perpetrator; and 3 by bludgeoning at home) |
| Injured | 13 |
| Perpetrator | Mark Orrin Barton |
Police searching Barton's home in nearby Stockbridge found the bodies of his second wife and the two children from his first marriage, murdered by hammer blows inflicted before the shooting spree started. According to a note left at the scene by Barton, his wife was killed on July 27 before the children were on the following day. Barton was believed to be motivated by large financial losses incurred during the previous two months.
As of 2024, it remains the deadliest mass shooting in Georgian history.