en.wikipedia.org/wiki/Mark_O._Barton

Mark Orrin Barton (April 2, 1955 – July 29, 1999) was a spree killer from Stockbridge, Georgia, who killed 12 people and injured 13 more on July 29, 1999 .

murderpedia.org/male.B/b/barton-mark.htm

Mark Orrin Barton (1955 – July 29, 1999) was a spree killer from Stockbridge, Georgia, who, on July 29, 1999, shot and killed 9 people and injured 13 more.

www.ajc.com/news/local/ten-years-later-buckhead-massacre-resounds/fEW8QbUYoc1hEHqOpOBRwK

“I hope I'm not upsetting your trading day,” Mark O. Barton calmly told his day- trading comrades 10 years ago this week. He then opened fire at anyone unlucky  ...

www.thoughtco.com/mark-orrin-barton-973125

Sep 9, 2017 ... Atlanta day-trader Mark Barton was responsible for one of the bloodiest massacres in the history of Georgia.

criminalminds.wikia.com/wiki/Mark_Barton

Mark Orrin Barton was a spree killer and family annihilator-turned-workplace shooter who on July 29, 1999, murdered his family of three before going on a ...

twitter.com/markbartontv?lang=en

The latest Tweets from Mark Barton (@markbartontv). 23 years @BloombergTV. London.

www.nytimes.com/1999/07/31/us/shootings-in-atlanta-the-overview-killer-confessed-in-a-letter-spiked-with-rage.html

Jul 31, 1999 ... Letter typed by Mark O Barton just eight hours before slaughtering nine people at two Atlanta brokerage houses declares his intention to live ...

www.uh.edu/cota/music/faculty-staff/barton_m

Mark Barton Instructional Professor of Tuba Brass and Woodwind Division Chair. e-mail: mbarton@ uh .edu office: MSM 142 office phone: (713)743-3186

markbartonlightingdesign.com

mark barton lighting design.