ORIGINAL AIRDATE: February 10th, 2017 ---

Mac, Jack, Bozer and Riley track down the Zodiac killer, or just a copycat

MISSION: When Webber's goddaughter is killed, details of the crime implicate the long-dormant Zodiac killer. The team is assembled to track down the killer before the spree continues.

This week's highlights include:

Stanchion (Barrier)
A stanchion is a sturdy upright fixture that provides support for some other object.
Check out the article on wikipedia: https://en.wikipedia.org/wiki/Stanchion.