The four officers killed have been identified as US Marshals Deputy Thomas Weeks Jr, Special Operations and Intelligence Unit Officer Samuel ‘Sam’ Poloche, Special Operations and Intelligence Unit Officer William ‘Alden’ Elliott and Charlotte Mecklenburg police Officer Joshua Eyer (left to right) (Pictures: AP/Charlotte Mecklenburg Police Department/North Carolina Department of Adult Correction)Four police officers were killed in a three-hour standoff at a home in Charlot