Both are charged with two counts of murder, robbery and tampering with physical evidence. 

The driver told police he was carjacked early Wednesday after he accepted an assignment through the rideshare app. 

The deaths are being investigated as homicides by the Bullitt County Sheriff's Office Criminal Interdiction Unit.

Authorities in Bullitt County are asking for the public's help to find a vehicle they say was involved in a homicide that left one woman dead and another injured early Monday morning.