During the early morning hours of Feb. 17, 1970, the wife and two children of Dr. Jeffrey MacDonald were brutally murdered in the family's home at Fort Bragg. The case gained national attention, leading up to the 1979 conviction of Jeffrey MacDonald, a former Army doctor with the elite Green Berets. Imprisoned for the past 25 years, MacDonald has never waivered from his claims of innocence. Correspondent Bill Lagattuta reports.