people who want to own firearms, and then what happens, all the piers morgans, lawrence o'donnells and rachel maddows pound the message over and over again. >> that's right, mr. lapierre. i will continue to pound that message and continue to show shocking footage until people like you realize the damage that guns are doing to americans every day. this man used an assault rifle. he also used a 40 bullet magazine. the two things that you don't think should be banned. try telling that to those police officers. breaking news on the boston bombings investigation tonight. the cause of death of tamerlan tsarnaev has been released. the death certificate says he died as a result of gunshot wounds, of torso and extremities, as well as blunt trauma to head and torso. investigators also tonight say the explosives residue was found in the apartment of tamerlan tsarnaev, also we're learning his funeral will take place in the coming days. his body is now at a funeral home. all that as authorities search areas in and around dartmouth.