US investigators provide data on the helicopter crash that killed 6, including a Nigerian bank CEO

Read MoreInvestigators with the National Transportation Safety Board say a helicopter that was carrying the CEO of one of Nigeria’s largest banks and five others left a shallow crater when it crashed earlier this month in Southern California’s Mojave DesertInvestigators with the National Transportation Safety Board say a helicopter that was carrying the CEO of one of Nigeria’s largest banks and five others left a shallow crater when it crashed earlier this month in Southern California’s Mojave Desert