Yes, one LEO from another neighboring department attended the Trump rally at the capital as a citizen. He did not enter the capital and stayed on the lawn until things started going sideways. He promptly left the area and texted a bunch of friends that were concerned about him that he was on the subway traveling away from the that mess. Upon return his department suspended him from working and investigated him for wrong doing. 5 long weeks later he was cleared. We (LEO's) are not even citizens exercising our constitutional rights without the department looking over our shoulder. We are under constant surveillance from our employer and the public. Due to a highly restrictive social media policy many LEO's are subject to monitoring/ and or punishment for any post or comment that could be construed as subversive, anti government, or anti department/ agency.