Watch Anderson Cooper 360° weeknights 10pm ET . John Wallace was shot and killed in 1997 . A source said the unsolved case was ` ` closed '' because of new information . The source did not say what the new information was .
John Wallace was shot and killed in 1997 . A source said the unsolved case was ` ` closed '' because of new information . The source did not say what the new information was .