"The main problem I think that we're facing is that everybody [else] has an alibi," Irwin said. "I was at work. I've been cleared. All these other people we were worried about ... the FBI said they've been cleared. The only one you can't clear is the mother that's at home when it happens 'cause there's nobody else there."
http://www.ibtimes.com/articles/227442/20111007/baby-lisa-missing-deborah-bradley-jeremy-irwin-kansas-city-missouri-fbi-parents.htm
http://www.ibtimes.com/articles/227442/20111007/baby-lisa-missing-deborah-bradley-jeremy-irwin-kansas-city-missouri-fbi-parents.htm