For example, Dr. Hendler said, low levels of a class of carotenoids are correlated with age-related macular degeneration.
Frydenberg said low-level waste was currently being stored at more than 100 sites, including hospitals and universities.
Christopher Soghoian, a technologist with the American Civil Liberties Union, said low-level employees' government connections matter less than leading executives' ties to government.
Residents and local fighters said low-level clashes were continuing in the Tawahi district in the west of the city to sweep the Houthis from one of their last redoubts.
Even the rewards to some of the participants, prosecutors said, were modest: after each successful crime, the officials said, low-level runners were given a few hundred dollars and a meal at McDonald's.
Over the next several months, the inspector general said, low-level specialists, managers and the lawyers appeared to struggle to come up with a consistent set of criteria and questions to ask the groups.
Outside the store on Tuesday, customers and passers-by expressed surprise that the robbers were able to steal so much money, but many said low-level criminality remained a persistent problem, despite the gentrification that has swept the area.
Over the last month, Bratton has said low-level marijuana arrests help prevent overall crime.
The low levels of coverage reflect the limitations on news-gathering budgets and, some say, low levels of interest in the war among the public.
"A Rough Guide to Hell" is investigative journalism at its highest, or shall we say lowest, level.
His lawyers call the charges "legal nonsense" and say low-level subordinates gave the orders to shoot.
