According to Former Supreme Court Justice Felix Frankfurter Regarding Interrogation

According to former Supreme Court Justice Felix Frankfurter regarding interrogation and confessions:

A) Modern advances in the technology of crime detection make interrogation
Unnecessary.
B) Where innocent human witnesses cannot be found, nothing remains but
Interrogation to get information from guilty persons.
C) Substantial restrictions on the ability of the police to interrogate suspects should
Have no effect on the ability of police to investigate crime.
D) All empirical studies of the importance of confessions in solving crimes are
Untrustworthy.