For nearly a decade, he evaded efforts to stop him.
He evaded efforts to return him to the United States for trial, American officials have said, possibly because he was tipped off by a government official in Qatar, where he was living in 1996.
But Mr. McCain's aides accused the Bush campaign of being behind the advertising and called them a scurrilous effort to evade campaign finance laws.
Mr. McCain's aides accused the Bush campaign of being behind the advertising and called the ads an effort to evade campaign finance laws.
If the government account is true, Dr. Khan and the middlemen carried out one of the most complex schemes ever to evade international efforts to control nuclear weapons.
The fact that protesters used online social media like Twitter and Facebook to organize demonstrations, and were trying to evade government efforts to cut them off from the Internet, he said, showed that people in the region were well-educated and ready to contribute to social and economic stability.
Streptococcal pathogens continue to evade concerted efforts to decipher clear-cut virulence mechanisms, although numerous genes have been implicated in pathogenesis.
Testimony that a former SAC employee, Noah Freeman, gave in another insider trading case suggested that some SAC employees were adept at evading compliance efforts.
Mr. Abu Hanoud is wanted by Israel for masterminding a string of deadly attacks and he has evaded several efforts to capture him.
If researchers can discover why vaccinia, and other pox viruses, are so good at evading the efforts of immune cells, they will make a significant advance in understanding the way the human immune system works.
Mr. Swartz was arrested in January 2011 after downloading more than four million scholarly articles from the fee-based online archive JSTOR; to gain access, he evaded multiple efforts to block him, and even entered an unlocked closet in the basement of a campus building to plug directly into the network.
