Consider what happened to the lady who either had a mental breakdown or simply panicked when she approached or tried to run her car into the grounds of the White House. She was shot down like a dog. It is not that she was simply shot but that she was shot so many times "they had difficulty identifying her because of the extent of her injuries". If you take the time to view some of the videos taken after the incident, you will see the officers involved carrying M-4s: the same weapon our troops use in Afghanistan. Lethal military-style force with overkill was used against an unarmed civilian who probably had a psychological disorder with a baby in a car. And nobody, at least in power, seems to care.
Our country has a long history of periods of overreaction against foreign threats: the Alien and Sedition Acts over fears of the French Revolution coming to the United States; the Know-Nothings in the 1850s after the revolution of 1848 in Europe associated with the influx of immigrants from Germany and Ireland; the Red Scare after 1919, the Russian Revolution; the McCarthy era in the 1950s; and, I believe today, after 9/11.
On continuing the process described above, I discovered correspondence between my wife's grandfather and his relatives in Europe prior to and during World War II. The letters are written in Polish, Yiddish, and German. When I showed them to my 92-year-old father-in-law to find out who was who, he expressed interest and surprise, asking "where did I get them?", having never seen them. They had sat in his basement for 30-plus years in a box after the death of his mother. I have inherited them. In 1939 the return address on a series of them changed from Lodz, Poland to Warschau (German for Warsaw) with a Nazi stamp on them. Until 1941 the postmarks in Chicago are dated fairly contemporaneously, but after that date the letters were not received until 1946. This entire family perished.