three teenagers arnow in custody. the youngest just 16, charged with first degree murder as adults. horrific images capturing teens out of control and a boy in the wrong place at the wrong time. rob stafford, nbc news, chicago. >>> and when our broadcast continues along the way on a monday evening -- the question, how do some teenagers end up safe drivers while others amount to a road hazard? some new findings a lot of parents are going to want to hear. >>> and later, a new sight between the stripes and wearing them as well. . huh. what's this? well, that's how i'm going to get there. it's guidance. oh, so maybe i should follow it, too. it doesn't work that way, pete. you see, this is my own personalized plan. you've got to get one that's right for you. okay. but i can still walk along it while we talk, right? [ laughing ] yeah, come on. whatever your destination, fidelity has the people, guidance, and investments to help you find your way. fidelity investments. turn here. or 100 pringles. both cost the same, but only the pringles superstack can makes everything pop! ♪ hey [ male an