Joseph Giacalone is a retired NYPD Sergeant and former Commanding Officer of the Bronx Cold Case Squad. He is currently an adjunct professor at John Jay College of Criminal Justice and the author of The Criminal Investigative Function: A Guide for New Investigators, 3rd Ed.Joe is a frequent media guest for all of the major networks and can be heard every Friday morning on the Crime Report on WRCN 103.9 FM, NY.

Follow Joe on Twitter:
@JoeGiacalone