Expert says third party vital to MH370 probes

Head of air crash victims' group plans to put families' questions to Boeing

After Gail Dunham's ex-husband died in the United Airlines Flight 585 crash in 1991, it took a decade before she managed to get the truth about the disaster out in the open.

"The government was not forthcoming with the information. They kept saying it was the wind off the mountains. We had to do our own investigation," she said.