'I'm sorry. Goodbye,' before deadly blast

The deaths of a Washington man and his two sons in what authorities believe was a murder-suicide may mean the 2009 disappearance of the children's mother may never be solved. FULL STORY

Top U.S. stories

• Massachusetts stranded-dolphin death toll up to 92
• Scandal-plagued school closes for 2 days | VIDEO  
• Did record-setting Super Bowl live up to the hype?
• College lacrosse player's murder trial begins in Virginia
• Nearly 500 on 2 Princess cruise ships stricken by Norovirus
• Bishop Eddie Long apologizes to Jewish group after Torah ceremony
• Authorities: Man killed after stealing police car, killing officer
• Teens' tics baffle town | Opinion: Case makes psychological sense
• 'Wild Orchid' director Zalman King dies at 70
• Prosecutors drop Lance Armstrong doping investigation