Fog City Fraud: A White Collar Crime Thriller

When a man plunges to his death from a high rise building in San Francisco the city's streets are brought to a standstill.Why had he been holding a young girl on the ledge with a knife to her throat?Did he fall or did the shock of the bullet that ripped his shoulder apart kill him?Why had made this otherwise, peaceful, family man snap?Did the answers to these questions die with him?