address, and you should never ever have to worry that your life will be taken! norah: as gun violence surges in america, could artificial intelligence help detect a threat in a crowd? it takes our cameras from passively recording event that happen to being able to prevent some things that happen. reporter: today s trial in a $1.6 billion lawsuit against fox news has been delayed by one day. this cracks the door open for a last-minute settlement. norah: the fbi arrest two men accusing of running secret chinese police station in new york city. we are onto you, wew e wito.e west coaloere osed t make pant inten years after the boston marathon bombing, how one survivor turned her tragedy into triumph. i don t think why me, why did this happen to me? i think it s about what am i going to do now? norah: good evening to our viewers in the west, and thank you for joining us as we start a new week together. we begin with another community in mourning ton
i wish i could ve pulled him my way. reporter: alexis says her big brother s final act was to protect her from the gunfire. you told me your brother grabbed you by the waist and pushed you down. did your brother save your life? yes. if it was not for him, i don t know where i would be if i would still be standing here today. if he would not have saved my life. reporter: the mother latonya allen was also shot twice, and she tells me she still is a bullet stuck in her side and in her leg. she is going to be fine, but she told me her focus now is on finding the killers and planning her son s funeral. norah. norah: omar villafranca, thank you for being there. there is breaking news now out of kansas city, missouri, where the county prosecutor has charged an 85-year-old white man for shooting a black teenager twice including once in the head. police say the teen went to the