This was a time before the heightened concern about diseases.
Despite the heightened concern about Mr. Mohammed, the authorities were unable to find him.
"People suddenly have a heightened concern about their privacy being invaded," he said.
Mr. Hovan's arrest came at a time of heightened concern about improper sexual conduct in local schools.
It comes at a time of heightened concern about secrecy, shell companies and illicit money flow around the world.
Tokyo expressed heightened concern about the military threat as the missile flew the longest distance to date for a Musudan.
They also would be defying a majority of the Parliament during a period of heightened concern about making European institutions like the central bank more democratically accountable.
Privately, they considered snubbing the president's call to participate, Republicans said, but some feared that stance would alienate independent voters given the heightened concern about federal deficits.
At a time of heightened concern about rape and related crimes in the armed services, he's being welcomed as someone with insights into the problem.
In this era of heightened concern about global warming, the project can claim to be "green" because of its location, Mr. Johnson suggested.
At the Pentagon and the military's Central Command, senior officials gave no indication of any heightened concern about the lapsing of the law.
