Officials said that Albert Gardner III followed girl , 11 , but was scared off . Gardner admitted killing Nicole Smith , 17 , and Nicole Dubois , 14 . Jogger who was attacked also killed Gardner , video show . On February 24 , a day before King went missing , an 11-year-old girl reported that she was walking home from school when she heard a vehicle slowly approaching her from behind , according to an affidavit requesting a police search of Gardner 's home , posted on the website of CNN affiliate KTLA-TV . Probation report reveals details of earlier sexual assault of teenage neighbor .
Officials said that Albert Gardner III followed girl , 11 , but was scared off . Gardner admitted killing Nicole Smith , 17 , and Nicole Dubois , 14 . Jogger who was attacked also killed Gardner , video show . Probation report reveals details of earlier sexual assault of teenage neighbor .