Detailed text transcripts for TV channel - MSNBC - 20130416:02:22:00
Justice correspondent, pete williams. >> lawrence, good evening. investigators know this attack involved two bombs. what they don't know is whether there were other explosives involved. at least five other packages found on the street were deemed to be suspicious and destroyed by boston police and bomb squad techs. there were many packages to check. people dropped what they were carrying and ran away. we have heard conflicting accounts about whether there were unexploded bombs. some say two other packages were found that contained forms of explosiv explosives, others say there were just the tw...