as it stands now, lamont davis is to be believed the shooter pulling the drugger that july evening of last year and releasing the stray bullet that hit wyatt in the head and another victim in the forearm. davis was under gps monitoring at the time of the shooting for another crime. he was supposed to have the device on his ankle but the shooter on this ankle does not appear to be wearing one there. gps records suggests that davis was at home at the time or at least the device was. >> as long as they have these units, they can they will them where they're at and we can tell when a crime has been committed. >> reporter: but the company that supplies and monitors these gps devices in state of maryland admits that the tracking is not full proof. the role this evidence will play in davis' case will be up to a jury to decide. the trial is set to begin at 9:30 this morning. meantime, little raven wyatt is slowly recovering. she had been in a coma for sometime, amazing back in school and physical therapy. her injury has inspired a call to action against violence across the city. megan gillila

one of them a 5-year-old girl police say 17-year-old lamont davis was responsible for the shooting inthe 300 block of south pulaski street. the 5-year-old was found lying in the street with a gunshot wound to the head. police say davis was in a fight with several others when the shooting broke out. the little girl did survive. >>> the head of russia's main security agency says that rebels are believed to have carried out two suicide bombings on moscow's subway system that killed 36 people. officials say two female suicide bombers blew themselves up on trains as the subway was packed with rush hour passengers this morning. the first station hit is under the building that houses the main offices of the federal security service, the kgb's main successor agencies. the second one happened at another station, about 45 minutes later. >>> how's it going - >> u.s. soldiers in afghanistan got a surprise visit from the commander in chief. it marked president obama's first time visiting the country since taking office. while speaking to the troops he thanked them for the progress being made on th