Jeffrey MacDonald 's wife and two daughters were murdered in 1970 . A military inquiry recommended he not be tried for the killings , citing a lack of evidence . He was later tried and convicted in criminal court and is serving a life sentence . Comment:
Jeffrey MacDonald 's wife and two daughters were murdered in 1970 . A military inquiry recommended he not be tried for the killings , citing a lack of evidence . He was later tried and convicted in criminal court and is serving a life sentence . Today , a new book by filmmaker Errol Morris seeks to prove MacDonald 's innocence .