Techeiles - It's Not All Black and White

A documentary about the the Tekhelet/Techeiles dye. The documentary discusses how it was lost, the search for the chilazon, and the reasons to believe the murex trunculus was the source of the dye. The documentary also includes a balanced discussion from a traditional Jewish perspective as to whether one should wear Tekhelet in our days.
This video first came out in 2018.