Click here to access article by Michael Krikorian and David J. Krajicek from WhoWhatWhy.
There are a number of facts about the "accident" that don't add up. In addition, Los Angeles police handling of the event raised some suspicions. These facts plus the fact that the victim was an investigative journalist who wrote articles not pleasing to the shadow government suggests another possibility. Unfortunately, the video evidence the authors refer to is not included in the article.
Also, view this report on a San Diego TV station which provides some other details and perspectives: