an alarm clock and nails inside. those containers did not have a device that was able to detonate. that s why authorities believe that it did not go off. they also know that he had no criminal record, dimitri us, and authorities are offering no motive. as you said according to the fbi the number of injured rose from 10 to 13. three of those injured are in the hospital behind me, and two of them are in critical condition. chris? reporter: nbc s marian in a attention yo, thank ya tonight, some of them will be gathering for a baseball game. but coming up, we re going to hear from a survivor. plus the government response here in texas, congressman al green will join mere. next. at gillette for 20 years. i bet i m the first blade maker you ve ever met. there s a lot of innovation that goes into making