1.   Besides offering monetary rewards, federal officials note that private citizens may file lawsuits, on behalf of the government, against health care providers who defraud Medicare.

2.   After Cem made his statement, an aggrieved citizen filed a complaint against him, demanding that he be prosecuted under laws that forbid advocating separatism.

3.   Greek law allows citizens to file objections with courts over their concerns about Olympic projects, but Kazantzopoulos believes the committee is prepared to stave off these complaints.

4.   It led to hundreds of suits filed by citizens that produced millions of dollars in penalties paid to the government and scores of court orders to stop pollution.

5.   Michael Runnels, the local district attorney, said very few citizens filed criminal complaints or were aware that they could.

6.   Qui tam provisions of the federal False Claims Act let private citizens file lawsuits on behalf of the federal government, alleging fraud by government contractors.

7.   Some officers feel irritated when a citizen files a complaint against them, others when a bystander intervenes in their handling of an encounter.

8.   That law lets private citizens file lawsuits on behalf of the federal government.

9.   The False Claims Act allows private citizens to file suits on behalf of the federal government, alleging wrongdoing against the government.

10.   The lawsuit was filed under the federal False Claims Act, which lets private citizens file lawsuits on behalf of the U.S. alleging fraud against the federal government.