security cameras at this mixed martial arts center in boston shows the tsavraev brothers arriving with a friend before 2:45 p.m. on friday, april 12th before they get started, tamerlan tsavraev gets in an argument with the manager about taking otherwise his shoes, a policy at the gym. and then the brothers begin their workout. tamerlan tsavraev here seen skipping rope. remember, the bomb is finished, they have already picked their date. he has had just shaved off his beard. 23 years in prison for attempting to set off what he thought was a bomb outside wrigley field. he was arrested in 2010 in an fbi sting. he pleaded guilty charges to trying to set off explosives. new developments in the case of the hatchet wielding
one more type. talking norman oklahoma, even through joplin, that threat for isolated tornadoes, not to mention, of course, the large hail, pounding winds and heavy rain. other story continues to be the huge heat wave over the northeast. look at these, 22 degrees above normal in boston today. 13 degrees above normal even in dc, but there is good news this is what i want to show you. it s too hot out there. and notice as we go through the air. sixty 60s on the way, but it will take a couple days to get there. transfer will be hot in boston this weekend, berman. i know. cnn obtained video of the tsavraev brothers working out together, only days before the attack. first on cnn here. security cameras at the this mixed martial arts center in boston show the tsavraev brothers on friday, april 12th with a friend.