Death

Authorities did not immediately release a cause of death but said the FBI was notified and is investigating.

Ivie said she did not know if the FBI had completed its investigation.

In a statement Wednesday, Mills police emphasized that the shooting is believed to have been an isolated incident.

A routine autopsy will be conducted to determine the cause of Shaw's death.

The dead man has been identified.

The immediate cause of death is still under investigation.

The incident is being investigated by the patrol and Wyoming Occupational Safety and Health Administration.

Chief Deputy Coroner Wayne Reynolds said in a statement that the cause and manner of both deaths remain under investigation.

The identities of the female and male will be released upon notification of the families.

The motorcycle came to rest in a barrow ditch and became engulfed in flames.