Seven members of the Outlaws motorcycle club were convicted in federal court late Thursday by a jury which deliberated for most of two days.
Spectators and defendants took the jury's announcement calmly after being warned against any outburst by Chief U.S. District Judge Luther Eubanks.
The trial, which began April 8, had been conducted under strict security.
The jury found six of the bikers guilty of conspiracy to commit racketeering for which they could be sentenced to 20 years in prison.
They include John Scott "Little Wolf" Killip, Virgil Earl "Arlo" Nelson, Johnnie Lee "Squirrel" Adams, Ronald Dale Krout, Steven Allen "Posie" Pfaff, and Marcell "Tramp" Teague.
Killup, Nelson and Adams were also found guilty of engaging in racketeering for which they could be sentenced to 20 years in prison.
James Sam "Sampson" Marr was convicted on a drug count which prosecutors said carries a 15-year maximum prison term.
Assistant U.S. Attorney Ted Richardson called the Outlaws members "the worst people I've ever seen."
U.S. Attorney William S. Price said the convictions will have a measurable effect on the local crime rate. "These people are just like the major organized crime gangs were when they were just getting started and it's a good thing we're getting them convicted now," Price said.
Eubanks allowed Krout and Pfaff to remain free on their own recognizance but ordered the other defendants back to jail. He said all seven defendants will be sentenced later. BIOG: NAME:Archive ID: 227433