Tammy Callaway, 42, killed in crash involving Hummer driver Cheyanne Baker, 31, at Highway 6 and Greenwood Drive in Greenwood, Nebraska

We’re told they were speeding in a white 2007 Hummer, and going into oncoming lanes, when the vehicle slammed into a red 2006 Toyota Scion. The Scion then rolled into a ditch, according to authorities, while the Hummer swerved into a grey 2019 Ford Fusion head on.