A man who either fell or jumped off the roof of his moving Mercedes-Benz in Scottsdale has been identified as an acclaimed chief financial officer for Phoenix whose struggles with a parasite might have caused his behavior Wednesday. Kevin Keogh, 55, died about 3 p.m. after he climbed onto the roof of the car he was driving east on Camelback Road with arms outstretched, similar to actor Leonardo DiCaprio in the movie “Titanic.” Police haven't determined if the death was suicide or accidental, Scottsdale detective Sam Bailey said. Keogh contracted the illness a couple of years ago while on vacation...