Den 12 februari fylldes Caracas gator av demonstranter, som kräver att lastbilar med humanitär hjälp som fortfarande är blockerade vid gränsen får komma in i landet.
I spoke to professor Anna Feigenbaum about riot control style through the ages.
Thousands gathered in the centre of Caracas on Saturday to protest food shortages.
Memorials and riots marked the first anniversary of Hugo Chavez's death.
Anti-government roadblocks have Caracas on shut-down.
Anti-government street protests are into their seventh week.
Opposition parties in Venezuela have been propped up by millions in US aid.
The Venezuelan government has blood on its hands.
People there are mad about a ton of things.
Despite America's claims that he did.
Capriles lost the election, so his supporters fought with the cops.
The battle for Chavez's throne is getting a little intense.