Warrants out of Tampa, Fla., say that the two men have been indicted on charges of conspiracy to distribute 100 kilos or more of marijuana and aiding and abetting in the possession of pot.
"In addition to the arrests, over $160,000 was seized in St. George as well as a twin-engine airplane belonging to Vowell, and that was seized last month," said Sue Thomas, the DEA's supervisory special agent in Utah.
Thomas said Saturday she had no more information on the case, which originated from Tampa.
Vowell had participated in businesses with Johnson that processed online-poker payments. The outfits operated for about a year until they stopped doing so in 2010.
Vowell and brother Todd Vowell also are accused with Johnson in a Federal Trade Commission lawsuit. The court-appointed receiver in that case involving Johnson's I Works company alleges the Vowells helped Johnson hide millions of dollars in assets. Johnson denies the claims.
Sunyich, his father, Steve, and siblings were recently sued by the FTC for an alleged scheme in which they bought consumers' information including credit card numbers from payday-loan companies and then began charging monthly fees without authorization.
Steve Sunyich denies those allegations.
Indicted St. George businessman Jeremy Johnson says new Utah Attorney General John Swallow helped broker payoffs to enlist the aid of Senate Majority Leader Harry Reid in derailing a Federal Trade Commission investigation of Johnson's I Works business. Swallow and Reid deny the claims. The U.S. Attorney's Office is investigating.