WEST VALLEY CITY, Utah (AP) — For the first time, Utah police said Monday they believe Susan Powell's brother-in-law was "heavily involved" in getting rid of her body, even as they announced they couldn't solve the sensational case of a mother's disappearance after a nearly 3 ½-year investigation.

By Kim Dixon and Roberta Rampton WASHINGTON (Reuters) - Two senior White House aides knew weeks ago that a probe of the Internal Revenue Service had found that the U.S. tax agency had inappropriately targeted conservative groups, but did not tell President Barack Obama, a White House spokesman said on Monday. A Treasury Department official informed White House counsel Kathryn Ruemmler on April 24 about the preliminary findings of a report that would fuel the latest in a series of scandals to confront Obama at the start of his second term. ...

MOORE, Okla. (AP) — A monstrous tornado at least a half-mile wide roared through the Oklahoma City suburbs Monday, flattening entire neighborhoods and destroying an elementary school with a direct blow as children and teachers huddled against winds up to 200 mph. At least 51 people were killed, and officials said the death toll was expected to rise.