Two former employees of DynCorp, the government contracting powerhouse, have won legal victories after charging that the $2 billion-a-year firm fired them when they complained that co-workers were involved in a Bosnia sex-slave trade.

The court actions — one in the United Kingdom, the other in Fort Worth, Texas — suggest that the company did not move aggressively enough when reports of sexual misconduct among its employees began to emerge in 1999. The tribunal in the U.K. found that DynCorp employee Kathryn Bolkovac “acted reasonably,” but that the company did not.

“DynCorp is an enormous operation, with strong ties to the U.S. government,” Bolkovac’s legal representative, Karen Bailey, said in a prepared statement. “She took on the big guns and won. The plight of trafficking victims is appalling and I’m glad that Kathryn’s case has gone some way to bringing it to wider attention.”

The tribunal found that DynCorp Aerospace UK Ltd., a subsidiary of DynCorp Inc., violated the U.K.’s whistle-blowing statute — the Public Interest Disclosure Act of 1998 — when the company fired Bolkovac. A separate hearing is scheduled for October to determine what damages DynCorp should face.

DynCorp did not respond to calls seeking comment on Monday. But in remarks to the Associated Press, DynCorp spokesman Chuck Taylor said the company was considering an appeal. “We’re very disappointed in the tribunal’s ruling and can only reinforce that DynCorp’s decision to dismiss Ms. Bolkovac was based solely on the grounds of gross misconduct because of time-sheet fraud,” Taylor said.

In the second case, DynCorp agreed to settle a suit brought by former helicopter mechanic Ben Johnston late Friday night, two days before the case was set to go to trial in Texas. The amount of Johnston’s settlement is confidential, but both Johnston and his attorney said they viewed the settlement as a victory — and as a vindication after two years of fighting the company.

“This settlement wouldn’t have happened if DynCorp hadn’t, at least internally, accepted some responsibility for what happened in the Balkans,” said Johnston’s attorney, Kevin Glasheen, when reached at his Lubbock, Texas, office.

In late June, Salon published a two-part investigation into the participation of DynCorp employees in the Bosnian sex-slave trade, based in part on evidence uncovered in the Johnston case. At least 13 DynCorp employees have been sent home from Bosnia — and at least seven of them fired — for purchasing women or participating in other prostitution-related activities. But despite large amounts of evidence in some cases, none of the DynCorp employees sent home have faced criminal prosecution.

Because of a combination of international treaties, jurisdictional loopholes and bureaucratic confusion, employees of private military companies such as DynCorp can escape prosecution for crimes they commit overseas. Most common crimes committed outside the United States are beyond the jurisdiction of U.S. courts, and the burgeoning local law enforcement systems in war-torn regions such as Bosnia are often insufficient or unwilling to police U.S. contractors.

Forced prostitution is common in nations undergoing rebuilding, due in large part to the massive contingent of unaccompanied, highly paid, mostly male international aid workers sent to such countries, according to human rights workers. Martina Vandenberg, a women’s rights researcher with Human Rights Watch, told Salon that during a 1999 tour, she found that “Bosnia was absolutely littered with brothels” staffed by women who had been sold as chattel for $600 to $700, “with all the rights of ownership attaching.”