the fbi is asking for the public's help to find him. they found explosives in his apartment. so far, they're not aware of any threats to public safety. but say chamberlain is considered armed and dangerous and last seen in san francisco on saturday. investigators aren't even close to knowing what caused saturday night's deadly crash of a small plane in massachusetts. seven people were on board the gulfstream when it ran off of a runway, plunged down an embankment and exploded. among the dead is lewis katz, the cofounder of "the philadelphia enquirer." he was also the former owner of the new jersey nets and devils. the search for those six climbers likely killed in an avalanche in washington's mt. rainier is being scaled back. park rangers say ice and rock falls along with poor visibility have created conditions that are far too dangerous for ground searches. helicopter crews did find climbing and camping gear in the snow. more than 3,000 feet below their