Motorcyclist killed in Garden Grove traffic collision. A 42-year-old motorcyclist died last week after his motorcycle collided with a car on Gilbert Street and Orangethorpe Avenue, Garden Grove, CA according to a news report in the Orange County Register.The victim, identified as Adolph Amuriles, was traveling west on Orangethorpe approaching Gilbert when he collided with a 1997 Lexus EX 300...