Biography · Biography & Culture
Omar Portee
1969–
United States
BIOGRAPHYPortrait not availableExplore the life, work and source references.
Biography
Omar Portee (born c. 1969), also known as "O.G. Mack", is an American gang leader, known for founding the United Blood Nation gang while serving a prison sentence at Rikers Island, New York, in 1993.
Sources & collection details
Wikipedia contributors — original record ↗
Biography text · CC BY-SA 4.0 · Source checked 2026-10-13