Things continue to go south for Jimmy "Henchman" Rosemond, but despite federal prosecutors' efforts to tie the longtime music manager to shootings and murders, his lawyer continues to refute the mounting claims.

On Wednesday, Dexter Isaac told AllHipHop.com that he had a role in the 1994 robbery and shooting of Tupac Shakur and he alleged that Henchman paid him $2,500 to do the deed. Now, on Thursday (June 16), the Smoking Gun reported that two men tied to Rosemond have been charged with the 2009 murder of Lowell "Lodi Mack" Fletcher, a known G-Unit associate.

Henchman questioned the credibility of Dexter Isaac in a statement he issued in May, while his lawyer, Jeffrey Lichtman, recently called Isaac's confession "a flat-out lie."

In response to Rosemond's connection to the murder of Lodi Mack, Henchman's lawyer issued this statement to MTV News: "The only 'evidence' tying that murder to Jimmy Rosemond is the uncorroborated word of a criminal seeking to get out from under a lengthy jail sentence. Prosecution witnesses have been bribed and threatened, solely in an effort to convict Jimmy, a target of the US Attorney's office for years."

After a 2007 incident when he assaulted Rosemond's son, Fletcher pleaded guilty to endangering the welfare of a child. As the story goes, Fletcher slapped Henchman's son in the head after he spotted the teenager walking down a Manhattan street wearing a T-shirt with the name and logo of his father's management company, Czar Entertainment. 50 Cent's artist Tony Yayo, who was also present at the time, pleaded guilty to a noncriminal harassment charge in connection with the incident, but escaped any jail time. At the time 50 Cent and his G-Unit collective were involved in a beef with Game, who is managed by Czar (a source close to Game told MTV News that while the rapper is still signed with Henchman, he doesn't manage his day-to-day affairs).

Fletcher was sentenced to nine months in prison, which ran concurrent with an unrelated narcotics charge; he was eventually paroled in 2009. Two weeks after being released, Fletcher was fatally gunned down in the Bronx, New York.

Now, Rodney Johnson and Brian McCleod are being charged with the Fletcher murder by federal prosecutors in a superseding indictment obtained by the Smoking Gun. The indictment charges that Johnson orchestrated the killing and that McCleod agreed to carry out the murder in exchange for narcotics. The document, however, does not specify who the triggerman actually was.

The indictment also charges the men with drug trafficking, tying them to a ring that moved cocaine from L.A. to New York. DEA agents believe that Jimmy Henchman headed the ring but have not charged him with the Lowell murder in any way.