Taxi driver diagnosed as manic-depressive failed to take medications and was involved in a high-speed police chase ending in a collision. The taxi driver struck the side of a vehicle driven by a twenty-five-year-old, who experienced life-threatening injuries and underwent numerous surgeries. Jury verdict in favor of twenty-five-year-old against both the taxi company and the police officer in the amount of $300,000. Judgment affirmed on appeal. Gleaves v. Checker Cab Transit, Inc.. 15 S.W.3d 799 (Tenn. 2000).