shocking police shooting that video that was released the other day by a private individual. a woman who saw the moments leading up is now speaking out for first time and revealing what happened. she's revealing it exclusively to cnn. she spoke to our ounwn brian todd. tell our viewers what you learned. >> reporter: this is an exclusive new account from a witness who is just now coming forward. she says she has not yet spoken to police. this woman says she witnessed part of this confrontation. the video of walter scott's shooting not only shows the end of his life it shows the end of a confrontation that began hundreds of yards away. >> we heard the police siren. >> reporter: in an exclusive interview, this woman tells she saw thousand began. she was in the neighborhood when she heard the police cars. curious, she followed them to the parking lot where officer michael slager pulled walter