found any evidence that the plane had electrical or mechanical problems. that means, of course, that they're looking more closely at what the pilots did in the moments just before touchdown. >> one of the nation's most notorious serial killings may have just been solved. the man long believed to be the boston strangler has apparently been linked by dna to the strangler's last victim. albert de salvo confessed to murder that terrorized boston in the early '60s but it was ruled inadmissible. dna testing was not around and he was never prosecuted. the family of the final victim just 19 years old is thankful that detectives never gave up. >> i have lived with mary's memory every day, my whole life, and i didn't know nor did my mother know that other people were living with her memory as well. it's amazing to me today to understand that people really did care about what happened to