Authorities: Carol Ann Sacca under the influence of drugs before fatal Phoenix crash

PHOENIX - Authorities say a woman who hit and killed a motorcyclist on a Phoenix freeway had been under the influence of drugs.

Carol Ann Sacca drove the wrong direction Sunday on the Loop 101 when her sedan allegedly struck the motorcycle head-on. Scott Benson, of Tempe, died.

The Arizona Republic reports that Sacca admitted taking a long-acting dose of morphine earlier that day and muscle relaxers but that she had prescriptions for them.

Sacca says she got on eastbound Loop 101 by mistake on her way to Prescott. After unsuccessfully looking for an exit, she turned around and drove against heavy traffic.

She says she saw motorcycles ahead and turned on her hazard flashers to warn them.

Sacca has been charged with second-degree murder and five counts of endangerment.