RMABPA was formed in 1988 by a group of bloodstain pattern analysts in Colorado. The purpose was to "...meet informally to present, review, discuss, and critique specific bloodstain pattern cases."
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What started as an informal quarterly meeting among a few practitioners grew to a formal organization of over 150 members. Meetings still include case presentations, but there are also experiments and demonstrations. 

1ST RMABPA MEETING ANNOUNCEMENT