she called her grandmother reba at her home in prattville, the town two hours away. >> she said, is mama down there at your house? i said no, she's not here. and she said, mama didn't come home last night. >> so what was going on in here? >> oh, i'm just turning upside down, you know. i'm just tying in a knot. >> reba called teresa's younger sister ashley at her office, the local circuit court. >> mama called me and said teresa's missing. i said let me make some phone calls. >> right away, ashley called the sheriff of her town and he called sheriff ellis. >> to see if they knew anything. and his response to me was it's bad. it's bad. >> it certainly was. they had found teresa's truck on a dirt road less than a mile from home. she was slumped behind the wheel, and she was dead. and this much was perfectly clear. it wasn't an accident. >>> coming up, the investigation begins. >> we had to ask ourselves, who would get her to this location, and why was she murdered? >> when "secrets iin our house, we do just about everything online. and our old internet just wasn't cutting it. so i switched

>> i'm from prattville but i live in birmingham. >> you have people from across the country. can feel it. we're literally marching the same steps that 50 years ago those brave freedom fighters took from brown chapel. i want to ask you, whatty you doing here? what does it mean for you to be here? >> it's a school field trip. >> shut up. i'm here for -- >> let's march. >> freedom and everything else. >> did you learn about this in school. >> yeah, learned about it in history. that's my history teacher right there. >> so what does it mean to actually be living this history? >> amazing. question understand what they're experiencing, you know. we didn't get to do all of this. so we're actually learning something. we're going through what they went through. >> reporter: thank you so much. >> you're welcome. >> reporter: as i mentioned, you can still see folks are marching gallantly coming towards the edmund pettus bridge. back to you, joy. >> thank you very much. we're here at the starting point. i'm here with texas congresswoman sheila jackson lee who i'm going to be quick with be