. >> attorney general, eric holder, says joe tsarnaev should pay for his life for last april's twin bombings. three people died in the attack. more than 26 poo others were injured. tsarnaev and his brother were sound on surveillance video carrying back shats. in the court documents are, tsarnaev knowingly created a grave risk of death in a heinous manner. the brothers evaded police for four days until this gun battle in watertown, massachusetts. tamer tamerlin was killed. hiding in a boat in a suburban boston backyard. an alleged confession in which the attacks were in response to utah mill care action. boston's mayor supports the decision and honored the victims of my attack. >> krystle campbell, and the brave survivors whose lives have been for ever changed by the events of april 15, 2013. >> tsarnaev pleaded not guilty. no trail date has been set. cbs news. >> now the death factor, could seek a plea deal for a life sentence. a amanda knox had her murder conviction reinstated in italian court. the american college student did not attend the trial. this has gotten out of hand. nooks was sen

prosecutors say joe mark tsarnaev and his brother planted two bombs near the marathon finish line. three people were killed and more than 260 were wounded in the bombings. the 20-year-old has pleaded not guilty. >>> there is a new twist in the high profile murder case of american student amanda knox. an italian appeals court today upheld the guilty verdict against knox and her italian ex- boyfriend in the stabbing death of their roommate meredith kercher back in 2007. both knox and her former boyfriend were freed in 2011, when the original verdict was overturned. knox returned to the u.s., her attorney said they will appeal this new verdict stomach justin bieber might not have been legally drunk when he was arrested last week in florida. but a preliminary toxicology report released today shows the pop star had hot and prescription drugs in his system. the report says bieber had traces of thc in his system along with the key ingredient and an anti- anxiety drove such as xanax. he's facing charges in florida as dui and resisting arrest along with charges in canada involving an allege

. >> yes, prosecutors will seek the death penalty against joe car tsarnaev. was a statement released saying that he supports the statement and he is prepared to move forward. executions in the federal system are rare, but some experts say that seeking the death penalty could give him an incentive to plea guilty. he injured 260 people and killed 13 people along the route. >> and it is warming up. >> well, it felt good compared to the last week. >> yes. and just wait, because the folks are going to be running through the streets running and screaming of how mild it is, and not quite, but it is warming nup a big way, and the warmst stretch that we have seen in the last ten days here. and oh, you wait. look here as we look there with the national harbor cam towars s the woodrow wilson bridge, and this, too, i will remind you for this, too, any neighborhood streams, creeks, rivers, ponds, whatever, tell your adventurous kids to stay off, because we are thawing out, and it could be a dangerous situation. we are at 33 degrees right now, just above freezing. 28 in ga

they will be seek iing the deat penalty in the case of joe car tsarnaev. and attorney general eric holder says he supports the deissition. that means that a trial date can be set. the charges stem from an attack that killed three people, and injured more than 250. >>> carjacked at gun point in front of her home. >>> and tonight, police are looking for the guys who ambushed a woman as she pulled up to her parent's house in district heights and tabing the car was the beginning of the crime spree. >>> prince george's county bureau chief tracee wilkins has the reaction from the parents and the neighbors. >> reporter: so those are the tracks there? >> yes. >> reporter: this man's daughter was abb duducted from the front his home. >> when you lose contact with a person, you try to find a way to get in touch the with the person, especially in a situation like this. >> reporter: the parents say it was 8:00 p.m. when their daughter pulled up here, and parked right here. she had her bag and keys and parked when three suspects came up behind the vehicle and surprise

should joe hare tsarnaev be convicted. pete williams is standing by for us in washington, d.c. how much of a surprise is this? >> well, it's not a big surprise. we knew the justice department had to do this by tomorrow. that was the deadline set by the judge handling the case. it's certainly -- several factors weighed heavily in favor of the government doing this given the enormous impact that this crime had on the city of boston. they note in their filing that the killings were intentional. they also inflicted serious bodily injury. the nature of the crime, the grave risk that this put people. the fact that there were multiple killings. the fact that it was a betrayal of the united states encouraging others to commit acts of violence. impact on the victims. the selection of the site. the lack of remorse. all of these factors the justice department says weighed in favor of seeking the death penalty. now this will not be without some controversy. as you often find in a case like this, some families of the victims thought that the death penalty was not appropriate. "the boston gl

tamerlan tsarnaev was killed along with an m.i.t. officer. he surrendered later. joe hart was seriously wounded and surrendered hours later hiding in a suburb in a boat. inside the boat police found an alleged confession n which he said the attacks were in response to u.s. military action in muslim countries. boston's mayor supports to decision and honors the victims of the attack. >> today my thoughts are with the families of richard, lindsey lu, krystle campbell, shaun collier, and the brave survivors whose lives have been forever changed by the events of april 15th, 2013. >> reporter: tsarnaev has pleaded not guilty. # no trial date has been set. adriana diaz, cbs news. >>> well, new evidence suggests the u.s. economy continues to improve. # it grew 3.2% from october to december of last year. anthony mason takes a look at the numbers. >> the u.s. economy may finally be gaining momentum. the growth rate in the second half of last year, 3.7%, was the strongest in a decade. is this economic growth sustainable? >> it looks sustainable to me. >> carl rig a donna is an e