Veteran Miami homicide detective opens up about interrogating suspects . Retired detective Marshall Frank writes crime novels and holds seminars . Real jailhouse police questioning does n't happen the way it 's portrayed by Hollywood . Since his detective days , Frank has changed his mind about the death penalty . He now believes it should be used sparingly in cases where there is a clear threat to public safety or life - but not for people who are mentally ill.
Veteran Miami homicide detective opens up about interrogating suspects . Retired detective Marshall Frank writes crime novels and holds seminars . Since his detective days , Frank has changed his mind about the death penalty . He now believes it should be used sparingly in cases where there is a clear threat to public safety or life - but not for people who are mentally ill.