diane graham got a call. no," she didn't know how to respond to "yes." >> graham: the manager called me. you know, he gave me the brief details. "we'd like to have you on board, like to start monday." and i... i really froze on the phone. and i think he... he sensed it, because he said to me, "you know, you take few minutes to think about it and call me back." and i... and when i hung up the phone, i'm like, "is... are you crazy? what do i have to think about?" i was just really, really in shock. i was just not expecting it all. >> good to see you. >> pelley: she's working at lex products, which makes power systems for industry. >> graham: being in the hustle bustle of everybody going to work-- i missed that. i truly missed it. >> pelley: it's not just about a paycheck. >> graham: no. no, no. wherein, in the past, it might have been, but this has become about my dignity. >> pelley: and at the end of his internship, frank o'neill heard from the boss. you just got a new job. >> o'neill: yes, i did. brings a smil

graham, washington, tonight. neal, tell us the latest at this hour. >> reporter: diane, this is a story that has captured the nation's attention for two years. and police say josh powell had been planning this arson for months. ten gallons of gas they say he had inside this home here to make sure it burned to the ground. taking him and the mystery of what he allegedly did to his wife to the grave. chuck and judy cox say they have lost nearly everything. first, their daughter, susan, missing and presumed dead, and now this. their two grandsons, 7-year-old charles and 5-year-old braden, killed, police say, at the hands of their own father. >> he is disturbed. the act is cowardly. >> reporter: what began as a supervised sunday visit quickly turned tragic when josh powell closed the door on the caseworker, locking the children inside. minutes later, the house exploded into flames. police believe powell started the fire with an accelerant after sending an email to his attorney with just three words -- "i'm sorry. goodbye." >> we've discovered multiple e-mails that he september to his pasto pastor, he sent to his cousins,