Crossing the thin blue line: Precincts across America investigate officers and at least one chief for involvement in MAGA mob's Capitol assault - as FBI probes possible 'inside job' aided by cops and staffers Police departments in California, New Hampshire, Washington State, and Texas are among those who have already began investigations into their officers The probes are based on tips, social media posts and other information Several police officers and at least one police chief are under scrutiny currently It comes as the FBI has launched its own investigation into the US Capitol Police Department to probe whether officers and other staffers assisted protesters