![The Waukesha effect: A surge in weaponized vehicles plowing into crowds wreaks havoc on national safety](https://cdn.newsserve.net/700/t/20211123/4227fb6316e7b568b790a5bf898ad945.jpg)
The Waukesha effect: A surge in weaponized vehicles plowing into crowds wreaks havoc on national safety
The Christmas parade tragedy in Waukesha and a national surge in vehicle attacks against political protesters heaps more angst on security planners