car chase with undercover narcotic detectives who ultimately shot out his tire. >> the officers were almost hit by mr. busch's car traveling at a high rate of speed west on highway 40. >> reporter: busch was acquitted of assault. busch was home on december 19th when adrienne martin was found. according to the police report, there were no apparent signs of trauma or other indications of cause of debt. martin's ex-husband, a doctor, told the "st. louis post dispatch" she had a heart rhythm disorder that in some cases cause sudden death. she had been dating busch, the former ceo of anheuser-busch, for a year. >> she was starting a new chapter in her life. she had just gone through a divorce and she was ready to start things over again. >> reporter: martin leaves behind an 8-year-old son. >> he's lost his mother right before christmas and there's no greater tragedy than that. >> reporter: her obituary describes august busch iv, the love of her life. >> they won't have the