24A: [Star of some sports records (board game)] is ASTE R ISK , which ends with RISK. 90A: [Breakfast cereal option from General Mills (board game)] is RICE C H EX , which ends with HEX. She’s a suspect in the board game Clue! She’s a suspect in the board game Clue! Thus, the answer to this puzzle’s Clue mystery is Mrs. White in the library with the rope.
Source: Wall Street Journal December 31, 2017 14:03 UTC