"The girls on the street better watch out," said Diane Little, 39 years old. "Whoever killed Sandy, killed some of those other women, too." Diane Little is the aunt of Sandy Little, whose decomposed body was found in a wooden box early Sunday by a motorist on Interstate 70 in O'fallon, Mo. The body was identified Wednesday by X-rays. She had been missing since being reported missing by a friend on Sept. 4