Madison police have arrested three juveniles and are looking for a fourth for attacking a woman in a parking lot Wednesday night. The 58-year-old victim tells investigators she was leaving work at about 10:00 P-M when two teenagers approached her. While they were trying to take her purse, the victim was knocked to the ground and kicked. She says she thought her attackers were going to kill her. Two 13-year-old and one 15-year-old girls are in custody.