This is the moment  Agent Joe Joswiak of the Buffalo Ridge Drug Task Force pulled over a motorist and assaulted him. An off duty police officer said Anthony Promvongsa was driving aggressively and called in Joswiak who pulled him over. The American Civil Liberties (ACLU) of Minnesota released dash camera footage of the incident on Thursday, June 23.Police have charged Promvongsa with various offenses, including two counts of assault with a deadly weapon and fleeing in a motor vehicle. The ACLU has called for an investigation into Joswiaks behavior and is working with Promvongsa and his criminal counsel.