The drug-dealing Brown brothers, feared in south Alexandria during most of the 1990s, were sentenced Friday to life in federal prison for crack cocaine distribution. Authorities said the sentencing closes the book on a powerful and intimidating drug organization that oper-ated with impunity from 1993 until 1999. Also sentenced in federal court in Alexandria was street-level drug dealer Kenneth Wayne Pearson - known on the street as "Bigfoot." U.S. District Judge F.A. Little Jr. handed Timothy Demetri Brown, the defunct drug ring's convicted leader, a sentence of life in prison plus another 60 years that is to run concurrently with the life sentence. [continues 484 words]