(Undated) -- President Obama will be making a statement on the situation in Ferguson, Missouri shortly. He's expected to speak from Martha's Vineyard any time now. Obama was briefed last night by top aides as protests continue in the St. Louis suburb. Demonstrators have faced off with police for four nights in a row following the weekend shooting of an unarmed black teenager by a police officer. Earlier today, it was learned that Missouri Governor Jay Nixon is expected to remove the St. Louis County Police Department from the investigation into the deadly shooting.