Chief among the many grievances fueling the most widespread wave of protests Colombia has seen in years — including health reform, subsidies to informal workers, and a ban on forced coca eradication — were the police brutality and human rights abuses that many demonstrators accuse the country’s security forces of committing.Chief among the many grievances fueling the most widespread wave of protests Colombia has seen in years — including health reform, subsidies to informal workers, and a ban on forced coca eradication — were the police brutality and human rights abuses that many demonstrators accuse the country’s security forces of committing.