Explain how investigative psychology plays a role in statement analysis (or how it could).

Investigative Psychology: Statement Analysis as tool for Deception Detection and Investigative Cycle

Explain how investigative psychology plays a role in statement analysis (or how it could). How psychologists can be used to enhance interrogation techniques using statement analysis.

Handbook of Behavioral Criminology pdf contains a Forensic Linguistic article and the article by Tunkle regarding Criminal Profiling has a segment on Statement Analysis.

IP info comes from David Canter. He has the book Investigative Psychology: Offender Profiling and the Analysis of Criminal Action.