steve hansen has information from washington and we warn you, the video contains graphic images. >> the cellphone video is graphic but it is shaky. four hours, u.s. officials were scrambling to verify what libyan rebels claim -- that muammar gaddafi is dead. after 41 years in power, the murderers reign of the man that many called a deranged dictator was already over. but this looked like closure and relief. gaddafi gone. >> he was going to stick it out and died a martyr and it seems to me that he got his wish. >> libyans celebrated. many had joined the rebels to overthrow the leader they once loved, then grew to fear and hate. but they needed help and they got it from the u.s. >> we did go in and supported a rebellion against gaddafi. it is a good thing he is gone. we ought to be careful about the lessons learned. >> one lesson is, air power alone can work. in an attack ordered by president obama, nato warplanes pounded gaddafi forces. in late spring as the u.s. role dwindled to drones, italy, france, and others, kept up the air attacks. but gaddafi, facing war crimes charges and accusa