electronic gremlin that could cause the acceleration and results are due soon. but what is interesting about the preliminary testing of black boxes, has pointed to "pedal misapplication," which according to the federal government saying people are putting their foot on the wrong pedal. russian russian thank you, doug. new details on the suspect in the deadly shootings. investigators are saying that they have evidence that shows that he researched lethal injection and read about past assassinations. we are talking about shooter from tucson. what is this new information mean for his case? our legal panel explains when "studio b" continues in 90 seconds. [ male announcer ] this is james.