article_snippet: Protesters have disavowed any ties to the shooting, saying Dozens of demonstrators believe in nonviolence.
article_snippet: So did the White House, with a tweet signed with President Barack Obama's initials offering prayers for Officers and calling "violence against police ... unacceptable.
article_snippet: It's not known what connection, if any, the shooter or shooters had to Wednesday night's protest.
article_snippet: One irony is that, for some protesters, Wednesday was a day to celebrate: some protesters, Wednesday was a day to celebrate'd called for Jackson's resignation for months, and finally it was happening.
article_snippet: That's why some protesters, Wednesday was a day to celebrate congregated in Ferguson, to demand changes like disbanding the city's entire Police Department and ousting Mayor James Knowles.
article_snippet: Some chanted, "Racist cops have got to go."
article_snippet: Others held signs with slogans such as "Others don't really care about us!" and "Black lives matter."
article_snippet: It was a great group (with) great, great energy," protester Markus Loehrer said.
article_snippet: Demonstrator DeRay McKesson told CNN that one fight that occurred had nothing to do with the protests.
article_snippet: Loehrer worried that Thursday's shooting will undercut the protesters' message against discrimination and violence.