The scene. The fbi and atf are waiting to confirm the human remains, but authorities believe they block to this individual. As weve said, authorities believe this was a suicide bombing. Ed whole question is if they cant i had the human remains, how do they know this is the person . Im told they have other things they have discovered that puts this individual at the scene here. Thats what theyve done here. Is authorities are trying to find dna, and trying to get Family Members to give them dna so they have something to compare it to. As weve been saying, authorities are not looking for anyone in connection to this the level of threat is low, authorities have said. Thats because they believe the person responsible at this point they believe is dead. Shimon, is anything more being said about whether there were potential other people involved, or whether they believe that it would possibly be carried out by one person . Right. So right now, the believe is that one person was responsible fo