(CNN)Mexico City's secretary of public security, Omar Garcia Harfuch, was wounded and three others were killed during a shooting early Friday morning, said Mexico City Mayor Claudia Sheinbaum on Twitter moments after the attack.A woman and two police officers died in attack on Garcia Harfuch's motorcade, Sheinbaum said.Garcia Harfuch is in good condition and recovering at a hospital, according to Sheinbaum. Following the attack, Garcia Harfuch said on Twitter that he believed the attack was perpetrated by the Jalisco Nueva Generacion drug cartel (CJNG)."This morning we were cowardly...…(CNN)Mexico City's secretary of public security, Omar Garcia Harfuch, was wounded and three others were killed during a shooting early Friday morning, said Mexico City Mayor Claudia Sheinbaum on Twitter moments after the attack.A woman and two police officers died in attack on Garcia Harfuch's motorcade, Sheinbaum said.Garcia Harfuch is in good condition and recovering at a hospital, according to Sheinbaum. Following the attack, Garcia Harfuch said on Twitter that he believed the attack was perpetrated by the Jalisco Nueva Generacion drug cartel (CJNG)."This morning we were cowardly...WW…