Complex sentence: Founded by a small group of teen-aged friends on Detroit's west side in the mid 1970s, in less than two years, YBI took over the majority of southeast Michigan's heroin trade with absolutely no interference from any other crime groups.
Split into simpler sentences: Founded by a small group of teen-aged friends on Detroit's west side in the mid 1970s. In less than two years YBI took over the majority of southeast Michigan's heroin trade with absolutely no interference from any other crime groups.