Police later boarded the ship on its arrival in Brisbane to interview passengers and crew.

The Australian Transport Safety Bureau interviewed passengers who reported problems with the oxygen masks as part of their investigation.

The agency sent an investigator from New York to Albany, where he inspected the aircraft and began interviewing the pilots and passengers.

Some experts say that screeners could employ more sophisticated techniques, like informally interviewing random passengers - a practice long used in Europe and Israel.

The plays were created by riding the bus and interviewing random passengers.

The police, taking pains to interview passengers before they disembarked, carefully declined to speculate on where the gunfire originated or how extensive it had been.

A television reporter interviewed passengers wearing latex gloves.

Coast Guard investigators interviewed crew members and passengers, and surveyed the vessels today.

They were then able to interview other passengers, who gave corroborating descriptions of Mr. Williams and his wife Emily.

The safety board is still studying that helicopter and interviewing passengers and the pilot to determine the cause of its crash.