So Arbery disappears around the bend, but not for long. Soon he comes back around and heads toward them again. This final part you can see on the video taken from the second truck except when the camera moves to the side momentarily or they move slightly beyond where it’s pointing. Again Arbery is running straight toward Travis. Note that. You can see it clearly on the video.
This is a regular two-lane road. There are many places in the road to run. How can anyone doubt that’s he’s running straight toward him on purpose. As he gets about 20 feet away, Travis points the shotgun right at him, and Arbery veers to the right side of the road, where there’s space to run by (and even more space to run by in the adjacent yard — he’s not blocked, and that’s a significant fact). You see the moment he veers to the right, but then the camera becomes unstable, and you don’t see him again until a couple of seconds later when he has reached the right side and is running by the truck on that side. (So far, so good.)
Fortunately the video shows exactly what happens in the final moments (and if it weren't for that, the defendants wouldn't have a prayer). Arbery is running by the right side of the truck. Note that Greg, who's in the back of the truck, hasn't shot him as he runs by, and neither did Travis as he approached and turned to the right.
As Arbery runs by the right side of the truck, unobstructed, he suddenly turns to the left, runs across the front of the truck, and attacks Travis. How can anyone see that, and not think of self defense? That's the key moment in the entire incident. Arbery clearly could have kept running, but instead he turned and charged Travis.