He and his brother, Charles Koch, helped to build a massive conservative network of donors to support libertarian-leaning economic policies.
The same Delta flight that was delayed 18 and a half hours on Wednesday going into Thursday was held up at least 19 hours the next day.
Lawyers for Paige Thompson say her safety is at risk in a male facility and want her placed in a halfway house instead.
Hawaiian Airlines said the smoke was due to a failed seal in the left engine that caused "oil to leak onto hot parts of the plane's engine and air conditioning pressurization system."
Marsha Edwards is suspected of killing her two adult children, Erin Edwards and Chris Edwards, then herself in what police believe was a double murder-suicide.