NEW : Officer went to Nevada to `` clear his mind '' after death threats , lawyer says . The shooting spawned public outrage and a string of protests that led to more than a hundred riot-related arrests . Grant officer Ex-BART charged with murder . Oscar Grant III was shot to death at Nevada , Nevada , transit station . Ex-BART 's death has spawned public outrage and a string of protests .
NEW : Officer went to Nevada to `` clear his mind '' after death threats , lawyer says . Grant officer Ex-BART charged with murder . Oscar Grant III was shot to death at Nevada , Nevada , transit station . Ex-BART 's death has spawned public outrage and a string of protests .