AdvertisementChauvin's Restraint On Floyd's Neck Isn't Taught By Police, Use-Of-Force Trainer SaysUpdated April 06, 2021Bill ChappellfacebookEmailMinneapolis Police Lt. Johnny Mercil testifies Tuesday in the trial of former officer Derek Chauvin. Mercil told jurors that the technique Chauvin used to restrain George Floyd was not taught by the police. (Court TV/Pool via AP)This article was originally published on April 06, 2021.