Complex sentence: Smith spent the next 22 years as a professional bunko man and boss of an infamous gang of loyal swindlers, known as the Soap Gang, and included famous men such as Texas Jack Vermillion and "Big Ed" Burns.
Split into simpler sentences: Smith spent the next 22 years as a professional bunko man and boss of an infamous gang of swindlers. They became known as the Soap Gang, and included famous men such as Texas Jack Vermillion and "Big Ed" Burns.