1) Post 2008, hedge funds are the source of market liquidity
2) Hedge funds have to unwind their positions/mitigate risk quickly when things go badly; "badly" includes periods of high volatility
4) Trump = volatility = no way to escape a liquidity crisis
They're not even uniformed officers. Just secret police thugs in hoodies and masks.
From WCVB: youtu.be/PuFIs7OkzYY