Even though the Suffolk County Police Department identified behavioral and physical traits of LISK, why has there been virtually zero progress in finding the killer for over a decade? Despite knowing these indicators, along with gruesome information provided by medical examiners, SCPD either knowingly or unwittingly hasn't been able to advance the case. Learn what techniques from 10 years ago were being utilized and how investigative tools have shifted to the present time. Hosted by Chris Mass. Part 1 of 2.

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