thomas weller who hits the highways in san diego just helping people out. he has been doing this for a very long time. >> he's like the angel of the highway. >> yeah. he shares a lot of his videos on youtube. he has a dash cam set up on beulah his beloved car. this young man ran out of car. san diego highway man is like i've got you, dude. >>> this woman has apparently a dead battery. thomas gave her his booster battery along with a pay it forward card to say don't forget to do something good for someone else. there's a video he posted last year in the especially scary one. that's a ladder. >> look at this guy. thomas is putting not only his time time, his own money, but his life on the line for people. >> yeah. >> someone did this for him? he was driving down the highway, someone helped him out and since then it's the ultimate pay it forward? >> his job is not done yet. he gets into his car, he starts driving. but watch. that red card clipped that ladder. now he's on the side of the road with probably a flat tire. thomas pulls over right behind that car an