investigators are coming through hundreds of photos from the scene, including this one where a light-colored bag sits next to a mailbook. the before and after images capture it s proximity to one of the two blast locations. authorities are scrutinizing every lead. the fbi needs help, after all someone knows who did it. the person who did this is someone s friend, neighbor, co-worker or relative. reporter: crime scene technicians found gunpowder residue. analysts say when the gunpowder was ignited inside the metal container, pressure built up which caused the container to explode. in a crowd like this, since it was packed tight with people, those people took the brunt of the explosion and the projectiles. reporter: a pressure cooker was part of a homemade bomb that fizzled inside a van in 2010. in boston, authorities are
noticed what they thought was gun powder residue coming from outside that package. reporter: the postal service was taking no chances. arpaio s staff said it was mailed outside flagstaff and that authorities were pursuing a person of interest in the case. known for stunts like parading inmates in pink underwear, the controversial arpaio has been subject to at least nine threats that were credible enough to be investigated. he was re-elected last year despite questions whether his department violated the civil rights of hispanics and remains a popular conservative standard bearer. run for president. that s a demotion isn t it? reporter: arpaio suggested his controversial profile and his run-ins with the federal justice department drug cartels or others might have helped create the atmosphere that led to the latest threat. i m not going to get into who these groups are, whether it s the department of justice. the tempo out there about this sheriff does cause people to do
feet away at the closest. or else there would have been the the gun powder residue. judge jeanine: so maybe he didn t know it was coming. a distance. may not know it was coming and he couldn t grab her. if she was closer than that he could possibly grab her. and then the bul bullet wound through the forehead down to the cheek didn t hit the brain but was close enough to the brain to cause her to lose consciousness temporarily. judge jeanine: caused him to lose consciousness. during which she can then stab him. judge jeanine: all right, mr. defense attorney, famous man. how are you doing defend this case? catch a heart attack in the middle of the trial. for adjour adjournment. here is the thing. you know, you pick your defense early on and you go with it and you stick with it. here the problem is this. i wasn t there. the dna evidence says you were there. okay, i was there but two
feet away at the closest. or else there would have been the the gun powder residue. judge jeanine: so maybe he didn t know it was coming. a distance. may not know it was coming and he couldn t grab her. if she was closer than that he could possibly grab her. and then the bul bullet wound through the forehead down to the cheek didn t hit the brain but was close enough to the brain to cause her to lose consciousness temporarily. judge jeanine: caused him to lose consciousness. during which she can then stab him. judge jeanine: all right, mr. defense attorney, famous man. how are you doing defend this case? catch a heart attack in the middle of the trial. for adjour adjournment. here is the thing. you know, you pick your defense early on and you go with it and you stick with it. here the problem is this. i wasn t there. the dna evidence says you were there. okay, i was there but two
feet away at the closest. or else there would have been the the gun powder residue. judge jeanine: so maybe he didn t know it was coming. a distance. may not know it was coming and he couldn t grab her. if she was closer than that he could possibly grab her. and then the bul bullet wound through the forehead down to the cheek didn t hit the brain but was close enough to the brain to cause her to lose consciousness temporarily. judge jeanine: caused him to lose consciousness. during which she can then stab him. judge jeanine: all right, mr. defense attorney, famous man. how are you doing defend this case? catch a heart attack in the middle of the trial. for adjour adjournment. here is the thing. you know, you pick your defense early on and you go with it and you stick with it. here the problem is this. i wasn t there. the dna evidence says you were there. okay, i was there but two